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Build a Ball Tower
Some kids are into balls—any kind of balls. So they accumulate. It's hard to find a storage system to keep them all handy, including the ones on the bottom of the pile. Here's an ingenious system using bungee cords. They're firm enough to keep the pile organized, but stretchy enough that you can squeeze the bottom ball out. Need more storage in the garage? Build this super shelving system with pegboard.