GraviTrax Junior: My Planet Starter Set

This Junior Starter Set lets kids discover their inner engineer with a marble maze they build themselves.

• Interactive track system with pieces sized for little hands, easy to assemble with plenty of building options
• How to play: build your own marble maze, then watch the ball roll through the track you designed
• Ages 3 and up

A giftable pick for kids just starting out with marble-run building.