About the product
- 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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