Tamiya 75025 Wind-Up Power Generator STEM Kit  [75025]

Hands-On Renewable Energy Learning with a Wind-Up Generator

The Tamiya 75025 Wind-Up Power Generator is a compact build kit for anyone curious about how mechanical motion becomes electrical power. By turning the generator handle you power the included motor without batteries, giving a clear, practical introduction to electricity for hobbyists and students.

Interactive Build that Demonstrates Energy Conversion

Wind the handle for around 30 seconds and the small rechargeable car can travel for over a minute, showing the direct link between winding motion and stored electrical energy. The kit is well suited to classroom demos, club meetups, or solo tinkering sessions.

Key Features

• Simple snap-fit assembly, no cement required.
• Includes a translucent orange rechargeable car and a hand crank generator, car measures 122mm long.
• Supplied sticker sheet for basic customisation.
• Gear ratio of 38.2:1 for reliable power transfer.