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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 mini water pump using bottle caps & DC motor | Easy craft tutorial

Discover how to build a DIY mini water pump using recycled bottle caps and a small DC motor! This step-by-step tutorial shows you how to create an efficient homemade pump from everyday materials.