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🌍[ROKR TOWER COASTER] Tower coaster has a more dynamic shape，it is highly praised in the ROKR marble run series.Crank the handle, the marbles can be

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Featuring the charming look of a gumball machine and the thrill of a working marble coaster, this elaborate system of gears, rods and wheels is a delight to behold. The fun begins when you fill the clear container with brightly colored marbles that look like gumballs. Then ramp up the excitement with a twist of the crank to send the marbles racing around the curves and through the course! This product was designed, developed and rigorously play tested in Minnesota.

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