This new educational kit lets you explore the mechanisms involved in harnessing the alternative energy of wind power. The windmill features a loop-wing design that can be rotated by the slightest breeze. You can also run while holding it to generate wind artificially. The kit comes with a rechargeable vehicle that uses power generated by the windmill, running for 1-2 minutes for each 5-10 minute of charge. Special "loop wing" design secures high efficiency in power generation, by ensuring that even a minimum amount of wind will produce quick rotation of windmill. 2 types of gears allow a choice of double gear for light wind, and triple gear for strong wind, improving power generated by motor depending on wind strength. Base doubles as a handle allowing you to run while holding windmill to generate power Low-friction connectors to ensure smooth rotation by wind & efficient power generation