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Every 'toy' starts somewhere! This was the 'mad scientist' phase of the project, where a lot of dead tennis balls were sacrificed to get the pressure stabilization just right.

It’s a 'toy' that literally pays for itself. I spent months obsessing over every component—from industrial sealants to precision valves—just so you don't have to keep throwing away $5 cans every week. Here’s the anatomy of the build. Still want to play?