Ravensburger GraviTrax Power Extension Interaction | STEM and Construction Toy | Marble Run and Maze Game | Interactive Track System | Kids Age 8 and Up

INTERACTIVE TRACK SYSTEM: Design and build your own race tracks and experiment with gravity, magnetism, and kinetics - now you can power your marbles to the finish

STEM EDUCATION: This game offers educational and scientific play, teaching coding skills as kids boost the marble's power - ideal for boys and girls ages 8 and up

EXPANSION SET: GraviTrax Power Extension Interaction set packs an extra punch into your dynamic marble run - includes 13 pieces for extended play time

COMPATIBILITY: Completely compatible with all GraviTrax sets, this extension set enhances the play options for hours of fascinating fun - let your imagination run wild

PERFECT GIFT: With over 15 million sets sold worldwide, GraviTrax is a great holiday or birthday gift for creative, curious kids who love to build and explore