100-200 usd

20-Stage Assembled Marx Generator High Voltage Electric Arc Student Experiment Aids with ZVS High Voltage Power Supply Features: .This Marx gener...

Air Cooled Metal Stirling Engine Model Science Education Toy Features: .The Stirling engine model adopts aluminum alloy flywheel and fan design, ...

3D Metal Mechanical American Bald Eagle Sculpture Kit for Kids, Teens and Adults-240PCS+ Inspired by American Bald Eagle:Eagle, the sign of the a...

  View this post on Instagram A post shared by physicsfun (@physicsfun)   Stark 6 Coils Ring Accelerator ...

1868Pcs Simulation Fire Truck Model Kits DIY Metal Assembly ToyFeatures:.This model is designed base on real fire truck. Exquisite and realistic, t...

Retro Metal Simulation Vertical Transparent Cylinder Steam Engine Model Physics Science Experiment Toy with BoilerFeatures:Retro Steam Engine: The ...

10-Stage Assembled Marx Generator Kit High Voltage Electric Arc Student Experiment Aids with ZVS High Voltage Power Supply Features: .This Marx ge...

Tesla's Egg of Columbus Features: .Design Intention: Tesla's Egg of Columbus is one of the representative products of Nikola Tesla, the father o...

Sound Control DIY Model Kit  for Kids, Teens and Adults, Inspired By Wasp  - Enginediy Customized Features: .Using high-quality metal materials, l...

V4 Electromagnetic Engine Model Features:1. Parameters: Piston Diameter: 10mm; Piston Stroke: 7-8mm; 6-12V 5A, supports brush ESC, strong magnetic ...

Microcosm M1B Mini Steam Engine Model with Steam Engine Boiler Gift Collection - EnginediyA steam engine is a heat engine that performs mechanical ...

Stirling Engine Kit Windmill Fan External Combustion Engine Model Collection Gift The Stirling engine model is with windmill fan design. This Stir...

Stirling Engine Kit Nostalgic Film Projector Design External Combustion Engine Model  Features:1, Novel Design: The Stirling engine is in the shap...

Metal 4-stroke Wankel Rotary Engine Model Simulation Rotor Engine Model Educational Toys GiftsFeatures:.The authentic engine model based on the rot...

3D Metal Puzzle Tiger Model Kit Bengal Tiger and Smilodon with Wing-700PCS+ Metal Tiger Model Kit with Wings for Kids, Teens, and Adults Inspired B...

745PCS DIY Mechanical Chamaeleonidae Lizalfos 3D Assembly Model Steampunk Discolored KitFeatures:Simulated Chamaeleonidae Metal Assembly Model: Wit...

Music Tesla Coil Artificial Lightning Bluetooth Connection Science Experiment Tool Toy Features:.Adopt the newly designed PCB circuit board, the ci...

3D Metal Steampunk Craft Puzzle Mechanical Locust Model DIY Assembly Animal Jigsaw Puzzle Kit Games Creative Gift Features:  . Using high-quality m...

Mini Brass Vane Pump Water Pump for Internal Combustion Engine Model - Upgraded Version Features: .This is a miniature vane pump, made of brass, w...

Large Solid-state Music Tesla Coil with 220V to 110V Transformer Features: .Made of a newly designed PCB circuit board. The circuit design is rea...

Mini Universal Solid-state Music Tesla Coil with 10cm Arc and 220V Power Supply - US Plug Features: .Using a newly designed PCB circuit board, th...

DIY Model Kit  for Kids, Teens and Adults, Inspired By Unicorn - Enginediy Customized Features: .Using high-quality metal materials, laser cutting...

Level 15 100-500v Low Voltage Methanol Motor Electric Generator - EnginediyThe low voltage motor can be used for generating electricty. After being...

Stirling Engine Kit Retro Film Projector Engine Motor Model with Metal Base - Enginediy The Stirling engine is a heat engine in the Stirling engin...

The Stirling engine is powered by the expansion of the gas and the compression of the cold. By personally operating the balance Stirling engine mod...

Retro All-metal Vertical Steam Engine Model with Base, Boiler and Alcohol LampFeatures:.Treated by CNC cutting and grinding and frosting color oxid...

3D Metal Puzzle Mechanical Assembly DIY Insect Model Toys Kits-Amethyst Mantis、Rhinoceros Beetle、 Lemnia Saucia、Onychothemis Tonkinensis、Apis Kosch...

KACIO FD-6 Mini Three-legged Vertical Swing Steam Engine Model with Boiler & Steam Power Generating Units Features:Mini Steam Engine: This stea...

500Pcs+ DIY Stainless Steel 3D Assembly Model Ornament King Scorpion Kit Golden King Scorpion + Silver Queen ScorpionFeatures:.The golden King Scor...

DIY Model Kit  for Kids, Teens and Adults, Inspired By Scorpion- Enginediy Customized Features: .Using high-quality metal materials, laser cutting...

Stirling Engine Model Kit Vacuum Engine with Helicopter Design Single Stirling Engine Armored Edition Features: .100% brand new with high quality...

210ml Vertical Steam Boiler Model for Steam Engine, RC Cars & ShipsFeatures:.Matched with the steam engine model, the steam boiler is made and ...

PLLSSTC Tesla Coil Plasma Arc Maker Technical Toys Features: .It is a smart device for wireless transmission experiments. Phase-locked loop Tesla...

3D Metal Assembly Monkey King DIY Kit Toy Wukong-942PCS+ Features:.Wonderful DIY experiencing : 942PCS+ and assembling time is about 6-8 hours. Mec...