Discover how to build a DIY mini water pump using recycled bottle caps and a small DC motor! This step-by-step tutorial shows ...

Discover how to build a hand-powered water pump that also generates electricity to light up LEDs using everyday recycled ...

Whether you need to pump water out of your basement this spring, or just want to have fun shooting water around in the yard this summer, here’s a way to build a pump instead of buying one. This is a ...