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rolling ball marble machine

If you haven't seen thisrolling ball marble machine toyin action yet, WATCH IT. It's a loopingrolling marble machinemade with wood, rebar tie wire and polyurethane tubing, featuring amagneticelevator. The total cost to build this exquisite DIY toy is only about fifty bucks. And the supplies you'll need are:

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Hi,may I help you with products, price, etc?