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with aluminum frames
Small size fits perfectly in most 4S powered micro
TR1572 - Mixed Green - 14/pkg - 3" - 5" (7
Instead of a rubber band motor we've used a powerful spring mechanism to provide the "muscle" in this racer and extend the model's usable life
Solar-Powered Rovers RC Boat Model with aluminum framesAges 6+ 5 Experiments 54 Pieces 16 page manual With this kit, you can construct five motorized models. Build three types of solar cars, a solar fan, and a solar robot model. Conduct science experiments with each model to learn about gear ratios, solar cells, and more. The ultralight materials, including strong bamboo rods, make your models speedy and durable. A modular gearing system lets you test out three different gear ratios. Experiment with a
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