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DIY STEM Toys

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3D Printed Engine Model Turbofan Engine Model DIY Stem Engine Toy - Ordinary Static Type 3D Printed Engine Model Turbofan Engine Model DIY Stem Engine Toy - Ordinary Static Type US$ 22.63 ( 0 ) 3D Printed Engine Model Turbofan Engine Model DIY Stem Engine Toy with Battery Box - Motor Version 3D Printed Engine Model Turbofan Engine Model DIY Stem Engine Toy with Battery Box - Motor Version US$ 31.08 ( 0 ) 3D Printed Reverse Gear Four-speed Transmission Simulation Model DIY Stem Toy - Motor Version 3D Printed Reverse Gear Four-speed Transmission Simulation Model DIY Stem Toy - Motor Version US$ 19.92 ( 0 ) 3D Printed Four-speed Transmission Simulation Model DIY Stem Toy with Battery Box - Motor Version 3D Printed Four-speed Transmission Simulation Model DIY Stem Toy with Battery Box - Motor Version US$ 23.42 ( 0 ) Mini Stirling Engine Model - Aircraft Head Shape Mini Stirling Engine Model - Aircraft Head Shape US$ 67.67 ( 0 ) Single Cylinder Internal Combustion Engine Gasoline Engine Model Single Cylinder Internal Combustion Engine Gasoline Engine Model US$ 15.13 ( 0 ) Hydraulic Press Model Hydraulic Machine Model Hydraulic Press Model Hydraulic Machine Model US$ 66.30 ( 0 ) Double Cylinder Low Temperature Difference Stirling Engine Model Double Cylinder Low Temperature Difference Stirling Engine Model US$ 61.14 ( 0 ) Single Cylinder Stirling Engine Generator Model Single Cylinder Stirling Engine Generator Model US$ 16.48 ( 0 ) Mini V4 Steam Engine Model without Boiler Mini V4 Steam Engine Model without Boiler US$ 130.92 ( 0 ) Mini Inline Double Cylinder Swing Steam Engine Model without Boiler Mini Inline Double Cylinder Swing Steam Engine Model without Boiler US$ 77.83 ( 0 ) Mini Swing Single Cylinder Steam Engine Model with Boiler Mini Swing Single Cylinder Steam Engine Model with Boiler US$ 63.29 ( 0 ) Suction Stirling Engine Full Metal Single Cylinder Stirling Engine Model With Upgrade Bracket Suction Stirling Engine Full Metal Single Cylinder Stirling Engine Model With Upgrade Bracket US$ 61.69 ( 0 ) Zinc Alloy Diesel Engine for HG-P602 RC Car Model Zinc Alloy Diesel Engine for HG-P602 RC Car Model US$ 72.46 ( 0 ) Full Metal Stirling Engine Model Mini Generator Model Full Metal Stirling Engine Model Mini Generator Model US$ 60.60 ( 0 ) Adjustable Speed Stirling Engine Model with Wooden Base Adjustable Speed Stirling Engine Model with Wooden Base US$ 69.75 ( 0 ) Double Cylinder Stirling External Combustion Engine Model Metal Electric Generator Double Cylinder Stirling External Combustion Engine Model Metal Electric Generator US$ 106.42 ( 0 ) Car Type Stirling External Engine Model Stirling with Turning Function Car Type Stirling External Engine Model Stirling with Turning Function US$ 57.68 ( 0 ) Magnetic Suspension Low Temperature Stirling Engine DIY Kit Magnetic Suspension Low Temperature Stirling Engine DIY Kit US$ 36.68 ( 0 ) Stirling Engine External Combustion Engine Model with Metal Base Stirling Engine External Combustion Engine Model with Metal Base US$ 122.84 ( 0 )
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