Description
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A bestselling construction activity for boys and girls 8 and up – over 6 million sold worldwide
Includes 122 pieces and 9 ready-to-go track instructions to start creating your own tracks
The ideal Christmas gift for creative, curious kids who love to build
Power the marbles with gravity-based elements in a race to the finish
Customize and experiment with tricks and stunts to keep the marbles rolling faster and further
Experience educational and science play with 24 problem-solving building exercises
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