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

Gravitrax一款可以無限擴展的彈球軌道遊戲。讓你的彈球沿著精心設計的軌道滑行，利用磁力砲給你的彈珠助力，利用分岔為你的彈球選擇路線，加速，減速，彈擊，碰撞，自由下落，發揮你的想像力，精確計算時間，讓彈球以一種不可思議的方式到達終點。還不行？再來一次。

這是一款讓孩子們瘋狂著迷的遊戲，它可以幫助孩子培養善於思考的習慣，建立對於物理常識的直觀認識，以及豐富孩子的想像力。

Alphabet Board w- Braille Letters