Stack hollow cubes to magically propel stainless steel marbles down a track for a truly mesmerizing experience! Eighteen special tracks grow wider to allow the marbles to pick up speed as they move through a guided build or your very own inspired structure. Complete with 124 pieces, includes 2 catchers, 2 toppers, 90 risers, 10 stainless steel marbles, 18 unique tracks, and 2 base grids.
From Fat Brain Toy, for ages 8 yrs-teen.
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