♥ Wide Applications: This complete motor kit take everything you need for DIY, which can improve practical skills as well as different thinking and puzzling benefits. ♥ perfect for mini fans,science experiments, etc. ♥ easy to install and save. Store in a sealed bag when not in use to avoid damp rust. ♥ Note: As the product contains small parts, children have to play with their parents (from 8 years). Use the correct circuit diagram to avoid short circuits. Short circuits create high temperatures and cause the battery holder case to melt and burn. Children must use it under adult supervision
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