The most expensive parts of a water pump, or DIY Super Soaker, are usually the check valves. In this project, we're making some from scratch, for as little as $ ... each. Endcard Links: Water Pump: ... Rocket Rifle: ...
by BuzzFeedFood
by Teo Makes
by Splendid Serendipity
by APPEARANCE design studio
by HeXtian
by Twin Tag
by Best Art & Craft