GraviTrax Starter Set

  • HK$599.90
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GraviTrax STEM重力軌道球基本套裝

Marble Run & STEM Toy

  • 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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