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Ultimate Big Air Ball Tower from K'Nex
It’s a giant Rube Goldberg machine that features air powered ball levitation in a most dramatic way. Tired of old fashion motor drives with chain lifts or screw drives? We were…and that’s why we invented the Big Ball Tower with a cool air drive system that turned this product from a ho-hum product into a ya-hoo product. K’Nex is all about building…but building this Big Ball Tower lets kids build something with a large dose of magic and in this case…magic is more important than girders. Totally amazing.