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DIY hand-powered water pump generator | Build a mini pump & light LEDs with recycled materials!

Discover how to build a hand-powered water pump that also generates electricity to light up LEDs using everyday recycled ...
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DIY kinetic energy wrist charger: Build a wearable power bank that charges as you move!

Discover how to create a wearable kinetic energy power bank in this hands-on DIY electronics project. Follow step-by-step ...