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50% off
25cm TR-900 Aviation Turbofan Engine Assembled Aircraft Power Engine Model Science Experiment Boutique Model Small Toy Gift 25cm TR-900 Aviation Turbofan Engine Assembled Aircraft Power Engine Model Science Experiment Boutique Model Small Toy Gift

25cm TR-900 Aviation Turbofan Engine Assembled Aircraft Power Engine Model Science Experiment Boutique Model Small Toy Gift

$294.19$588.39

29% off
Steam Engine Model,Vertical Transparent Cylinder Steam Engine Model Physics Science Experiment Model Toy Steam Engine Model,Vertical Transparent Cylinder Steam Engine Model Physics Science Experiment Model Toy

Steam Engine Model,Vertical Transparent Cylinder Steam Engine Model Physics Science Experiment Model Toy

$90.35$127.26

Adjustable Speed Stirling Engine Model Science Experiment Engine Toy With Vertical Flywheel Physics Steam Power Toy Men Gifts Adjustable Speed Stirling Engine Model Science Experiment Engine Toy With Vertical Flywheel Physics Steam Power Toy Men Gifts

Adjustable Speed Stirling Engine Model Science Experiment Engine Toy With Vertical Flywheel Physics Steam Power Toy Men Gifts

$167.98$167.98

51% off
Turbojet Engine Gasoline Kerosene Internal Combustion Mini Model Engine Physics Experiment Toy for Adults Turbojet Engine Gasoline Kerosene Internal Combustion Mini Model Engine Physics Experiment Toy for Adults

Turbojet Engine Gasoline Kerosene Internal Combustion Mini Model Engine Physics Experiment Toy for Adults

$1596.13$3257.41

22% off
Stirling Engine,Boiling Water Powered Low Temperature Cryogenic Stirling Engine 4 Wheels Car Model Science Experiment Stirling Engine,Boiling Water Powered Low Temperature Cryogenic Stirling Engine 4 Wheels Car Model Science Experiment

Stirling Engine,Boiling Water Powered Low Temperature Cryogenic Stirling Engine 4 Wheels Car Model Science Experiment

$85.80$110.00

51% off
J31009 Diesel Engine Model Metal Structure Single Cylinder Internal Combustion Engine Physics Experiment Teaching Model Toy Gift J31009 Diesel Engine Model Metal Structure Single Cylinder Internal Combustion Engine Physics Experiment Teaching Model Toy Gift

J31009 Diesel Engine Model Metal Structure Single Cylinder Internal Combustion Engine Physics Experiment Teaching Model Toy Gift

$131.48$268.33

40% off
Original Kohler Generator Set 1:20 Diesel Engine Set Engineering Vehicle Alloy Model Toy Can Be Applied To Scientific Experiment Original Kohler Generator Set 1:20 Diesel Engine Set Engineering Vehicle Alloy Model Toy Can Be Applied To Scientific Experiment

Original Kohler Generator Set 1:20 Diesel Engine Set Engineering Vehicle Alloy Model Toy Can Be Applied To Scientific Experiment

$149.99$249.98

51% off
Aircraft Engine Turbojet Engine Model All Metal To Build Fuel Paraffin Can Start Science Experiment Teaching Aids Model Toys Aircraft Engine Turbojet Engine Model All Metal To Build Fuel Paraffin Can Start Science Experiment Teaching Aids Model Toys

Aircraft Engine Turbojet Engine Model All Metal To Build Fuel Paraffin Can Start Science Experiment Teaching Aids Model Toys

$176.83$360.87

57% off
Stirling Engine Single Cylinder Steam Power Generation Model Technology Science Power Generation Experiment Toy Stirling Engine Single Cylinder Steam Power Generation Model Technology Science Power Generation Experiment Toy

Stirling Engine Single Cylinder Steam Power Generation Model Technology Science Power Generation Experiment Toy

$67.02$155.85

57% off
Full Metal Startable Steam Engine Model K-005 Large Boiler Model with Boiler & Alcohol Lamp Retro Physics Experiment Toy gift Full Metal Startable Steam Engine Model K-005 Large Boiler Model with Boiler & Alcohol Lamp Retro Physics Experiment Toy gift

Full Metal Startable Steam Engine Model K-005 Large Boiler Model with Boiler & Alcohol Lamp Retro Physics Experiment Toy gift

$739.68$1720.18

1 sold
57% off
Turbojet Engine Gasoline Kerosene Internal Combustion Mini Model Engine Physics Experiment Toy for Adults Turbojet Engine Gasoline Kerosene Internal Combustion Mini Model Engine Physics Experiment Toy for Adults

Turbojet Engine Gasoline Kerosene Internal Combustion Mini Model Engine Physics Experiment Toy for Adults

$1385.18$3221.36

1 sold
51% off
Twin Cylinder Swing Steam Engine with Generator Boiler Engine Model Science Physics Experiment Toy Twin Cylinder Swing Steam Engine with Generator Boiler Engine Model Science Physics Experiment Toy

Twin Cylinder Swing Steam Engine with Generator Boiler Engine Model Science Physics Experiment Toy

$871.22$1778.00

48% off
Stirling Engine Model Steam Engine Physics Experiment Science Making Metal Toys Stirling Engine Model Steam Engine Physics Experiment Science Making Metal Toys

Stirling Engine Model Steam Engine Physics Experiment Science Making Metal Toys

$277.68$534.00

1 sold
50% off
FC28 Methanol Engine Model Is Suitable for Raytheon KM1/7 Petrol Pull and Scientific Experiment Teaching Model Toys FC28 Methanol Engine Model Is Suitable for Raytheon KM1/7 Petrol Pull and Scientific Experiment Teaching Model Toys

FC28 Methanol Engine Model Is Suitable for Raytheon KM1/7 Petrol Pull and Scientific Experiment Teaching Model Toys

$195.08$390.17

33% off
Stirling Engine,Boiling Water Powered Low Temperature Cryogenic Stirling Engine 4 Wheels Car Model Science Experiment Stirling Engine,Boiling Water Powered Low Temperature Cryogenic Stirling Engine 4 Wheels Car Model Science Experiment

Stirling Engine,Boiling Water Powered Low Temperature Cryogenic Stirling Engine 4 Wheels Car Model Science Experiment

$83.90$125.23

57% off
18-level Methanol Engine Model Straight Exhaust Pipe Voltage with Voltage Display Switch Scientific Experiment 18-level Methanol Engine Model Straight Exhaust Pipe Voltage with Voltage Display Switch Scientific Experiment

18-level Methanol Engine Model Straight Exhaust Pipe Voltage with Voltage Display Switch Scientific Experiment

$189.94$441.71

57% off
Turbojet Engine Gasoline Kerosene Internal Combustion Mini Model Engine Physics Experiment Toy for Adults Turbojet Engine Gasoline Kerosene Internal Combustion Mini Model Engine Physics Experiment Toy for Adults

Turbojet Engine Gasoline Kerosene Internal Combustion Mini Model Engine Physics Experiment Toy for Adults

$1368.80$3183.26

51% off
Stirling Engine DIY Assembly Model Kit Aircraft Type External Combustion Single Cylinder Metal Steam Engine Kids Experiment Toy Stirling Engine DIY Assembly Model Kit Aircraft Type External Combustion Single Cylinder Metal Steam Engine Kids Experiment Toy

Stirling Engine DIY Assembly Model Kit Aircraft Type External Combustion Single Cylinder Metal Steam Engine Kids Experiment Toy

$852.60$1740.00

44% off
1/4 Threaded Joint Whistle JW-4 Bronze Valve and Handle with Brass Tube Whistle For Live Steam Physics Experiment Toy Parts 1/4 Threaded Joint Whistle JW-4 Bronze Valve and Handle with Brass Tube Whistle For Live Steam Physics Experiment Toy Parts

1/4 Threaded Joint Whistle JW-4 Bronze Valve and Handle with Brass Tube Whistle For Live Steam Physics Experiment Toy Parts

$512.43$915.06

57% off
Vintage 4 Blades Heat Powered Stove Table Fan Stirling Engine model Science Experiment Toy Vintage 4 Blades Heat Powered Stove Table Fan Stirling Engine model Science Experiment Toy

Vintage 4 Blades Heat Powered Stove Table Fan Stirling Engine model Science Experiment Toy

$1109.40$2580.00

1 sold
57% off
Stirling Engine Model Metal Twin-cylinder High-power Engine with LED Generator Scientific Experiment Stirling Engine Model Metal Twin-cylinder High-power Engine with LED Generator Scientific Experiment

Stirling Engine Model Metal Twin-cylinder High-power Engine with LED Generator Scientific Experiment

$74.84$174.04

57% off
K006 Steam Engine Model with Boiler Retro Start Engine Working Model Physics Experiment Toy for Adults Students K006 Steam Engine Model with Boiler Retro Start Engine Working Model Physics Experiment Toy for Adults Students

K006 Steam Engine Model with Boiler Retro Start Engine Working Model Physics Experiment Toy for Adults Students

$906.12$2107.25

4 sold
44% off
K006 Steam Engine Model with Boiler Retro Start Working Model Physics Experiment Toy for Adults Students K006 Steam Engine Model with Boiler Retro Start Working Model Physics Experiment Toy for Adults Students

K006 Steam Engine Model with Boiler Retro Start Working Model Physics Experiment Toy for Adults Students

$1175.45$2099.02

51% off
M17 16CC Brass Gasoline Engine Model Kit Gas Internal Combustion Engine DIY Engine Science Experiment Toy M17 16CC Brass Gasoline Engine Model Kit Gas Internal Combustion Engine DIY Engine Science Experiment Toy

M17 16CC Brass Gasoline Engine Model Kit Gas Internal Combustion Engine DIY Engine Science Experiment Toy

$2504.88$5112.00

48% off
Fire Suction Sterling Engine Model Science Experiment Toy Teaching Material Fire Suction Sterling Engine Model Science Experiment Toy Teaching Material

Fire Suction Sterling Engine Model Science Experiment Toy Teaching Material

$1215.18$2336.88

57% off
Twin Cylinder Swing Steam Engine with Generator Boiler Engine Model Science Physics Experiment Toys Boy Gift Twin Cylinder Swing Steam Engine with Generator Boiler Engine Model Science Physics Experiment Toys Boy Gift

Twin Cylinder Swing Steam Engine with Generator Boiler Engine Model Science Physics Experiment Toys Boy Gift

$768.84$1788.00

51% off
Mini Steam Helicopter Steam Engine Model Kit Diy Assembly Physics Experiment Toy Collection Gift Mini Steam Helicopter Steam Engine Model Kit Diy Assembly Physics Experiment Toy Collection Gift

Mini Steam Helicopter Steam Engine Model Kit Diy Assembly Physics Experiment Toy Collection Gift

$1386.70$2830.00

Full Metal Startable Steam Engine Model K-005 Large Boiler Model with Heating Boiler Alcohol Lamp Retro Physics Experiment Toy Full Metal Startable Steam Engine Model K-005 Large Boiler Model with Heating Boiler Alcohol Lamp Retro Physics Experiment Toy

Full Metal Startable Steam Engine Model K-005 Large Boiler Model with Heating Boiler Alcohol Lamp Retro Physics Experiment Toy

$115.68$115.68

57% off
DIY Stirling Engine Assembly Model Kit Aircraft Type External Combustion Single Cylinder Metal Steam Engine Experiment STEM Toy DIY Stirling Engine Assembly Model Kit Aircraft Type External Combustion Single Cylinder Metal Steam Engine Experiment STEM Toy

DIY Stirling Engine Assembly Model Kit Aircraft Type External Combustion Single Cylinder Metal Steam Engine Experiment STEM Toy

$767.48$1784.83

1 sold
51% off
Suction Fire Type Stirling Engine Kit High-end Pure Copper Air Cylinder Heat Energy Model Physics Science Experiment Toy Suction Fire Type Stirling Engine Kit High-end Pure Copper Air Cylinder Heat Energy Model Physics Science Experiment Toy

Suction Fire Type Stirling Engine Kit High-end Pure Copper Air Cylinder Heat Energy Model Physics Science Experiment Toy

$221.47$451.98

57% off
K005 Steam Engine Model with Heating Boiler Retro Start Engine Working Model Physics Experiment Toy K005 Steam Engine Model with Heating Boiler Retro Start Engine Working Model Physics Experiment Toy

K005 Steam Engine Model with Heating Boiler Retro Start Engine Working Model Physics Experiment Toy

$736.59$1713.00

53% off
TOYAN FS-L200 Engine Model Toy Full Metal Hand-made Electric High-end Scientific Experiment Teaching Aids Engine and Base Gift TOYAN FS-L200 Engine Model Toy Full Metal Hand-made Electric High-end Scientific Experiment Teaching Aids Engine and Base Gift

TOYAN FS-L200 Engine Model Toy Full Metal Hand-made Electric High-end Scientific Experiment Teaching Aids Engine and Base Gift

$106.53$226.66

4 sold
57% off
Stirling Steam Engine Model All Metal Movable with Valve Scientific Experiment DIY Engine Assembly Model Toy Stirling Steam Engine Model All Metal Movable with Valve Scientific Experiment DIY Engine Assembly Model Toy

Stirling Steam Engine Model All Metal Movable with Valve Scientific Experiment DIY Engine Assembly Model Toy

$103.65$241.05

Water Cooled High Temperature Stirling Engine Model All-All-metal Power Cylinder Science Experiment Engine Toy Gift Water Cooled High Temperature Stirling Engine Model All-All-metal Power Cylinder Science Experiment Engine Toy Gift

Water Cooled High Temperature Stirling Engine Model All-All-metal Power Cylinder Science Experiment Engine Toy Gift

$1399.86$1399.86

51% off
A Type Twin Cylinder Twin Piston Stirling Engine Balance Model Kit Science and Education Physics Experiment Model Toy A Type Twin Cylinder Twin Piston Stirling Engine Balance Model Kit Science and Education Physics Experiment Model Toy

A Type Twin Cylinder Twin Piston Stirling Engine Balance Model Kit Science and Education Physics Experiment Model Toy

$1654.05$3375.61

57% off
Twin Cylinder Swing Steam Engine with Generator Boiler Engine Model Science Physics Experiment Toy Display Gift Twin Cylinder Swing Steam Engine with Generator Boiler Engine Model Science Physics Experiment Toy Display Gift

Twin Cylinder Swing Steam Engine with Generator Boiler Engine Model Science Physics Experiment Toy Display Gift

$767.55$1785.00

50% off
25cm TR-900 Aviation Turbofan Engine Assembled Aircraft Power Engine Model Science Experiment Boutique Model Small Toy Gift 25cm TR-900 Aviation Turbofan Engine Assembled Aircraft Power Engine Model Science Experiment Boutique Model Small Toy Gift

25cm TR-900 Aviation Turbofan Engine Assembled Aircraft Power Engine Model Science Experiment Boutique Model Small Toy Gift

$294.19 $588.39

Categories: Toys & Hobbies, Building & Construction Toys

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29% off
Steam Engine Model,Vertical Transparent Cylinder Steam Engine Model Physics Science Experiment Model Toy Steam Engine Model,Vertical Transparent Cylinder Steam Engine Model Physics Science Experiment Model Toy

Steam Engine Model,Vertical Transparent Cylinder Steam Engine Model Physics Science Experiment Model Toy

$90.35 $127.26

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Adjustable Speed Stirling Engine Model Science Experiment Engine Toy With Vertical Flywheel Physics Steam Power Toy Men Gifts Adjustable Speed Stirling Engine Model Science Experiment Engine Toy With Vertical Flywheel Physics Steam Power Toy Men Gifts

Adjustable Speed Stirling Engine Model Science Experiment Engine Toy With Vertical Flywheel Physics Steam Power Toy Men Gifts

$167.98 $167.98

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51% off
Turbojet Engine Gasoline Kerosene Internal Combustion Mini Model Engine Physics Experiment Toy for Adults Turbojet Engine Gasoline Kerosene Internal Combustion Mini Model Engine Physics Experiment Toy for Adults

Turbojet Engine Gasoline Kerosene Internal Combustion Mini Model Engine Physics Experiment Toy for Adults

$1596.13 $3257.41

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22% off
Stirling Engine,Boiling Water Powered Low Temperature Cryogenic Stirling Engine 4 Wheels Car Model Science Experiment Stirling Engine,Boiling Water Powered Low Temperature Cryogenic Stirling Engine 4 Wheels Car Model Science Experiment

Stirling Engine,Boiling Water Powered Low Temperature Cryogenic Stirling Engine 4 Wheels Car Model Science Experiment

$85.80 $110.00

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51% off
J31009 Diesel Engine Model Metal Structure Single Cylinder Internal Combustion Engine Physics Experiment Teaching Model Toy Gift J31009 Diesel Engine Model Metal Structure Single Cylinder Internal Combustion Engine Physics Experiment Teaching Model Toy Gift

J31009 Diesel Engine Model Metal Structure Single Cylinder Internal Combustion Engine Physics Experiment Teaching Model Toy Gift

$131.48 $268.33

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40% off
Original Kohler Generator Set 1:20 Diesel Engine Set Engineering Vehicle Alloy Model Toy Can Be Applied To Scientific Experiment Original Kohler Generator Set 1:20 Diesel Engine Set Engineering Vehicle Alloy Model Toy Can Be Applied To Scientific Experiment

Original Kohler Generator Set 1:20 Diesel Engine Set Engineering Vehicle Alloy Model Toy Can Be Applied To Scientific Experiment

$149.99 $249.98

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51% off
Aircraft Engine Turbojet Engine Model All Metal To Build Fuel Paraffin Can Start Science Experiment Teaching Aids Model Toys Aircraft Engine Turbojet Engine Model All Metal To Build Fuel Paraffin Can Start Science Experiment Teaching Aids Model Toys

Aircraft Engine Turbojet Engine Model All Metal To Build Fuel Paraffin Can Start Science Experiment Teaching Aids Model Toys

$176.83 $360.87

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57% off
Stirling Engine Single Cylinder Steam Power Generation Model Technology Science Power Generation Experiment Toy Stirling Engine Single Cylinder Steam Power Generation Model Technology Science Power Generation Experiment Toy

Stirling Engine Single Cylinder Steam Power Generation Model Technology Science Power Generation Experiment Toy

$67.02 $155.85

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57% off
Full Metal Startable Steam Engine Model K-005 Large Boiler Model with Boiler & Alcohol Lamp Retro Physics Experiment Toy gift Full Metal Startable Steam Engine Model K-005 Large Boiler Model with Boiler & Alcohol Lamp Retro Physics Experiment Toy gift

Full Metal Startable Steam Engine Model K-005 Large Boiler Model with Boiler & Alcohol Lamp Retro Physics Experiment Toy gift

$739.68 $1720.18

1 sold

Categories: Toys & Hobbies, Building & Construction Toys

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57% off
Turbojet Engine Gasoline Kerosene Internal Combustion Mini Model Engine Physics Experiment Toy for Adults Turbojet Engine Gasoline Kerosene Internal Combustion Mini Model Engine Physics Experiment Toy for Adults

Turbojet Engine Gasoline Kerosene Internal Combustion Mini Model Engine Physics Experiment Toy for Adults

$1385.18 $3221.36

1 sold

Categories: Toys & Hobbies, Building & Construction Toys

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51% off
Twin Cylinder Swing Steam Engine with Generator Boiler Engine Model Science Physics Experiment Toy Twin Cylinder Swing Steam Engine with Generator Boiler Engine Model Science Physics Experiment Toy

Twin Cylinder Swing Steam Engine with Generator Boiler Engine Model Science Physics Experiment Toy

$871.22 $1778.00

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48% off
Stirling Engine Model Steam Engine Physics Experiment Science Making Metal Toys Stirling Engine Model Steam Engine Physics Experiment Science Making Metal Toys

Stirling Engine Model Steam Engine Physics Experiment Science Making Metal Toys

$277.68 $534.00

1 sold

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50% off
FC28 Methanol Engine Model Is Suitable for Raytheon KM1/7 Petrol Pull and Scientific Experiment Teaching Model Toys FC28 Methanol Engine Model Is Suitable for Raytheon KM1/7 Petrol Pull and Scientific Experiment Teaching Model Toys

FC28 Methanol Engine Model Is Suitable for Raytheon KM1/7 Petrol Pull and Scientific Experiment Teaching Model Toys

$195.08 $390.17

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33% off
Stirling Engine,Boiling Water Powered Low Temperature Cryogenic Stirling Engine 4 Wheels Car Model Science Experiment Stirling Engine,Boiling Water Powered Low Temperature Cryogenic Stirling Engine 4 Wheels Car Model Science Experiment

Stirling Engine,Boiling Water Powered Low Temperature Cryogenic Stirling Engine 4 Wheels Car Model Science Experiment

$83.90 $125.23

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57% off
18-level Methanol Engine Model Straight Exhaust Pipe Voltage with Voltage Display Switch Scientific Experiment 18-level Methanol Engine Model Straight Exhaust Pipe Voltage with Voltage Display Switch Scientific Experiment

18-level Methanol Engine Model Straight Exhaust Pipe Voltage with Voltage Display Switch Scientific Experiment

$189.94 $441.71

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57% off
Turbojet Engine Gasoline Kerosene Internal Combustion Mini Model Engine Physics Experiment Toy for Adults Turbojet Engine Gasoline Kerosene Internal Combustion Mini Model Engine Physics Experiment Toy for Adults

Turbojet Engine Gasoline Kerosene Internal Combustion Mini Model Engine Physics Experiment Toy for Adults

$1368.80 $3183.26

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51% off
Stirling Engine DIY Assembly Model Kit Aircraft Type External Combustion Single Cylinder Metal Steam Engine Kids Experiment Toy Stirling Engine DIY Assembly Model Kit Aircraft Type External Combustion Single Cylinder Metal Steam Engine Kids Experiment Toy

Stirling Engine DIY Assembly Model Kit Aircraft Type External Combustion Single Cylinder Metal Steam Engine Kids Experiment Toy

$852.60 $1740.00

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44% off
1/4 Threaded Joint Whistle JW-4 Bronze Valve and Handle with Brass Tube Whistle For Live Steam Physics Experiment Toy Parts 1/4 Threaded Joint Whistle JW-4 Bronze Valve and Handle with Brass Tube Whistle For Live Steam Physics Experiment Toy Parts

1/4 Threaded Joint Whistle JW-4 Bronze Valve and Handle with Brass Tube Whistle For Live Steam Physics Experiment Toy Parts

$512.43 $915.06

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57% off
Vintage 4 Blades Heat Powered Stove Table Fan Stirling Engine model Science Experiment Toy Vintage 4 Blades Heat Powered Stove Table Fan Stirling Engine model Science Experiment Toy

Vintage 4 Blades Heat Powered Stove Table Fan Stirling Engine model Science Experiment Toy

$1109.40 $2580.00

1 sold

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57% off
Stirling Engine Model Metal Twin-cylinder High-power Engine with LED Generator Scientific Experiment Stirling Engine Model Metal Twin-cylinder High-power Engine with LED Generator Scientific Experiment

Stirling Engine Model Metal Twin-cylinder High-power Engine with LED Generator Scientific Experiment

$74.84 $174.04

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57% off
K006 Steam Engine Model with Boiler Retro Start Engine Working Model Physics Experiment Toy for Adults Students K006 Steam Engine Model with Boiler Retro Start Engine Working Model Physics Experiment Toy for Adults Students

K006 Steam Engine Model with Boiler Retro Start Engine Working Model Physics Experiment Toy for Adults Students

$906.12 $2107.25

4 sold

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44% off
K006 Steam Engine Model with Boiler Retro Start Working Model Physics Experiment Toy for Adults Students K006 Steam Engine Model with Boiler Retro Start Working Model Physics Experiment Toy for Adults Students

K006 Steam Engine Model with Boiler Retro Start Working Model Physics Experiment Toy for Adults Students

$1175.45 $2099.02

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51% off
M17 16CC Brass Gasoline Engine Model Kit Gas Internal Combustion Engine DIY Engine Science Experiment Toy M17 16CC Brass Gasoline Engine Model Kit Gas Internal Combustion Engine DIY Engine Science Experiment Toy

M17 16CC Brass Gasoline Engine Model Kit Gas Internal Combustion Engine DIY Engine Science Experiment Toy

$2504.88 $5112.00

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Fire Suction Sterling Engine Model Science Experiment Toy Teaching Material Fire Suction Sterling Engine Model Science Experiment Toy Teaching Material

Fire Suction Sterling Engine Model Science Experiment Toy Teaching Material

$1215.18 $2336.88

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Twin Cylinder Swing Steam Engine with Generator Boiler Engine Model Science Physics Experiment Toys Boy Gift Twin Cylinder Swing Steam Engine with Generator Boiler Engine Model Science Physics Experiment Toys Boy Gift

Twin Cylinder Swing Steam Engine with Generator Boiler Engine Model Science Physics Experiment Toys Boy Gift

$768.84 $1788.00

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51% off
Mini Steam Helicopter Steam Engine Model Kit Diy Assembly Physics Experiment Toy Collection Gift Mini Steam Helicopter Steam Engine Model Kit Diy Assembly Physics Experiment Toy Collection Gift

Mini Steam Helicopter Steam Engine Model Kit Diy Assembly Physics Experiment Toy Collection Gift

$1386.70 $2830.00

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Full Metal Startable Steam Engine Model K-005 Large Boiler Model with Heating Boiler Alcohol Lamp Retro Physics Experiment Toy Full Metal Startable Steam Engine Model K-005 Large Boiler Model with Heating Boiler Alcohol Lamp Retro Physics Experiment Toy

Full Metal Startable Steam Engine Model K-005 Large Boiler Model with Heating Boiler Alcohol Lamp Retro Physics Experiment Toy

$115.68 $115.68

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DIY Stirling Engine Assembly Model Kit Aircraft Type External Combustion Single Cylinder Metal Steam Engine Experiment STEM Toy DIY Stirling Engine Assembly Model Kit Aircraft Type External Combustion Single Cylinder Metal Steam Engine Experiment STEM Toy

DIY Stirling Engine Assembly Model Kit Aircraft Type External Combustion Single Cylinder Metal Steam Engine Experiment STEM Toy

$767.48 $1784.83

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51% off
Suction Fire Type Stirling Engine Kit High-end Pure Copper Air Cylinder Heat Energy Model Physics Science Experiment Toy Suction Fire Type Stirling Engine Kit High-end Pure Copper Air Cylinder Heat Energy Model Physics Science Experiment Toy

Suction Fire Type Stirling Engine Kit High-end Pure Copper Air Cylinder Heat Energy Model Physics Science Experiment Toy

$221.47 $451.98

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K005 Steam Engine Model with Heating Boiler Retro Start Engine Working Model Physics Experiment Toy K005 Steam Engine Model with Heating Boiler Retro Start Engine Working Model Physics Experiment Toy

K005 Steam Engine Model with Heating Boiler Retro Start Engine Working Model Physics Experiment Toy

$736.59 $1713.00

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53% off
TOYAN FS-L200 Engine Model Toy Full Metal Hand-made Electric High-end Scientific Experiment Teaching Aids Engine and Base Gift TOYAN FS-L200 Engine Model Toy Full Metal Hand-made Electric High-end Scientific Experiment Teaching Aids Engine and Base Gift

TOYAN FS-L200 Engine Model Toy Full Metal Hand-made Electric High-end Scientific Experiment Teaching Aids Engine and Base Gift

$106.53 $226.66

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Stirling Steam Engine Model All Metal Movable with Valve Scientific Experiment DIY Engine Assembly Model Toy Stirling Steam Engine Model All Metal Movable with Valve Scientific Experiment DIY Engine Assembly Model Toy

Stirling Steam Engine Model All Metal Movable with Valve Scientific Experiment DIY Engine Assembly Model Toy

$103.65 $241.05

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Water Cooled High Temperature Stirling Engine Model All-All-metal Power Cylinder Science Experiment Engine Toy Gift Water Cooled High Temperature Stirling Engine Model All-All-metal Power Cylinder Science Experiment Engine Toy Gift

Water Cooled High Temperature Stirling Engine Model All-All-metal Power Cylinder Science Experiment Engine Toy Gift

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A Type Twin Cylinder Twin Piston Stirling Engine Balance Model Kit Science and Education Physics Experiment Model Toy A Type Twin Cylinder Twin Piston Stirling Engine Balance Model Kit Science and Education Physics Experiment Model Toy

A Type Twin Cylinder Twin Piston Stirling Engine Balance Model Kit Science and Education Physics Experiment Model Toy

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Twin Cylinder Swing Steam Engine with Generator Boiler Engine Model Science Physics Experiment Toy Display Gift Twin Cylinder Swing Steam Engine with Generator Boiler Engine Model Science Physics Experiment Toy Display Gift

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