Single Cylinder Stirling Engine Model, Flying Bird Design, External Combustion Heat Engine, Metal Desk Display, Mechanical Collection Finished Mode...

EPHIL XG-20cc-S Glow Plug Two-Stroke Single Cylinder Side Exhaust Gasoline Engine Model for Fixed-Wing Aircraft ModelsFeatures:.EPHIL XG-20cc-S, a ...

Solar Powered Mechanical Running Horse 3D Metal Puzzle Kit, DIY Steampunk Model Decor Pre-Sale Now! Expected to arrive in mid-June. Features:.Sola...

Mechanical Battle Wolf 3D Metal Puzzle Kit, Steampunk Creature Model, DIY Metal Assembly Model Set with Movable Joints, Desktop Display Collectible...

Mechanical Dragonfly Model, Dynamic Metal Sculpture with Flapping Flaps, Art Desk Display, 3D Assembly Insect Model Finished VersionFeatures:.Mecha...

3D Wooden Mechanical Orrery Solar System Model Kit, DIY STEM Educational Desktop Display (413PCS) Features: Precision Gear Transmission System:  Bu...

3D Metal Monkey King Sun Wukong Mecha Model Kit, DIY Assembly Collectible Figure with Cloak and Staff, Articulated Desktop Display for Adults (2600...

ENJOMOR 3D Printed Inline Four-Cylinder Engine Model Kit, Electric Mechanical Assembly, Simulated Internal Combustion Engine STEM Science Display, ...

ENJOMOR 3D Printed Radial Five-Cylinder Engine Model Kit, Mechanical DIY Assembly STEM Aviation Engine Display with LED Light Effect, Creative Desk...

3D Printed TR900 Turbofan Engine Model, 12V Powered Functional Rotating Aircraft Engine Display with Ice Blue Intake Light & Red Afterburner LE...

Handcrafted Wooden Sea Turtle Dynamic Model- Desktop Stress Relief Display Features: Dynamic Swimming Motion Design:  Styled after the movement of ...

RETROL & OKMO 916 Hit and Miss Engine Model Four-Stroke Stationary Vintage Farm Internal Combustion Gasoline Engine RTR Features: Classic Europ...

Product Description IN-12 Nixie Tube Clock – Where Vintage Electronics Meet Modern Design Experience the timeless charm of authentic Nixie tube te...

3D Printed Twin Turbo Jet Engine Desktop Fan with LED Light, Adjustable Speed Aviation Display Model Features: Detailed Twin Turbofan Structure:  B...

3D Printed Spark Plug RGB LED Desk Lamp – Bring Automotive Engineering to Your Desktop Inspired by one of the most recognizable components inside ...

1:1 Scale 3D Printed Brake Caliper Disc LED Night Light, Automotive Mechanical Desk Lamp & Car Enthusiast Display Decor Product Description In...

1/12 Scale 3D Printed Space Propulsion Engine Model with Blue LED Flame Display Base, Aerospace Mechanical STEM Desk Decor Product Description Bri...

Product Description Bring Automotive Engineering to Life with an Industrial Suspension Damper Desk Lamp Inspired by the iconic design of high-perf...

Periodic Table Inert Gas Collection Set Features: .5 Inert Gas Collection Set: This collection includes five inert gases from the periodic table: H...

Electromagnetic Engine Model, V12 Multi Cylinder Electromagnet Motor for Physics Teaching-EngineDIY Product Information: Looking for a mechanical e...

Rodin Star Brushless Electromagnetic Coil Motor Model with Hall Sensor,USB Powered STEM Display Product Information: Interested in an electromagnet...

Star Coil Brushless Motor Hall Sensor STEM Demonstration Model Kit Features: .This upgraded brushless motor model features bearings commonly used i...

Hall Brushless High Speed Vacuum Motor Demonstration Model, Interactive STEM Physics Experiment Desktop Display Features: .Driven by a precision Ha...

DIY Metal Wire Helicopter Model Kit with LED Light Strip - Rotatable Creative Desktop Decor Features: STEM Creativity & Wire Sculpture Craft:  ...