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Clockwork Mechanical clock Tourbillon 3D printed Handmade model teenager's DIY Desk ornaments STEM decompression toys kids gifts Clockwork Mechanical clock Tourbillon 3D printed Handmade model teenager's DIY Desk ornaments STEM decompression toys kids gifts

Clockwork Mechanical clock Tourbillon 3D printed Handmade model teenager's DIY Desk ornaments STEM decompression toys kids gifts

$39.90 $39.90

1 sold

Categories: Office & School Supplies, Educational Equipment & Supplies

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6% off
Vaccum Stirling Engine Motor Model Experiment EducationalHot Air Learning Science Experiment Desktop Ornaments Vaccum Stirling Engine Motor Model Experiment EducationalHot Air Learning Science Experiment Desktop Ornaments

Vaccum Stirling Engine Motor Model Experiment EducationalHot Air Learning Science Experiment Desktop Ornaments

$64.48 $69.19

1 sold

Categories: Office & School Supplies, Educational Equipment & Supplies

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39% off
Enjoy New Galton Board Effective Statistical Method Demonstration,Pascal's Triangle Dalton Board Desk Toy Teaching Model Enjoy New Galton Board Effective Statistical Method Demonstration,Pascal's Triangle Dalton Board Desk Toy Teaching Model

Enjoy New Galton Board Effective Statistical Method Demonstration,Pascal's Triangle Dalton Board Desk Toy Teaching Model

$76.95 $126.15

Categories: Office & School Supplies, Educational Equipment & Supplies

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New Hydrogen fuel cell regeneration module hydrogen-oxygen teaching aid module reversible battery Physical experimental models New Hydrogen fuel cell regeneration module hydrogen-oxygen teaching aid module reversible battery Physical experimental models

New Hydrogen fuel cell regeneration module hydrogen-oxygen teaching aid module reversible battery Physical experimental models

$30.84 $30.84

4 sold

Categories: Office & School Supplies, Educational Equipment & Supplies

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26% off
DIY elevator lift physical experimental model for converting electrical energy into kinetic energy children gift free shopping DIY elevator lift physical experimental model for converting electrical energy into kinetic energy children gift free shopping

DIY elevator lift physical experimental model for converting electrical energy into kinetic energy children gift free shopping

$4.78 $6.46

1 sold

Categories: Office & School Supplies, Educational Equipment & Supplies

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3% off
Double cylinder Stirling engine model birthday gift DIY creative machine Superman scientific puzzle Double cylinder Stirling engine model birthday gift DIY creative machine Superman scientific puzzle

Double cylinder Stirling engine model birthday gift DIY creative machine Superman scientific puzzle

$397.70 $410.00

Categories: Office & School Supplies, Educational Equipment & Supplies

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3% off
1 SET Hydroelectric Generator Model Technology Small Maker DIY Toy Handmade Invention Material Pack 1 SET Hydroelectric Generator Model Technology Small Maker DIY Toy Handmade Invention Material Pack

1 SET Hydroelectric Generator Model Technology Small Maker DIY Toy Handmade Invention Material Pack

$55.29 $57.00

Categories: Office & School Supplies, Educational Equipment & Supplies

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J3111 Molecular Model Set Kit-General And Organic Chemistry For School Lab Teaching Research J3111 Molecular Model Set Kit-General And Organic Chemistry For School Lab Teaching Research

J3111 Molecular Model Set Kit-General And Organic Chemistry For School Lab Teaching Research

$16.26 $16.26

Categories: Office & School Supplies, Educational Equipment & Supplies

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3% off
Aircraft lift principle demonstrator model junior high school physics experiment equipment teaching instrument for students Aircraft lift principle demonstrator model junior high school physics experiment equipment teaching instrument for students

Aircraft lift principle demonstrator model junior high school physics experiment equipment teaching instrument for students

$29.10 $30.00

1 sold

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53% off
Catapult Kits Catapults Model Kits STEM Learning Toy for Game Time Dropship Catapult Kits Catapults Model Kits STEM Learning Toy for Game Time Dropship

Catapult Kits Catapults Model Kits STEM Learning Toy for Game Time Dropship

$1.05 $2.24

Categories: Office & School Supplies, Educational Equipment & Supplies

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