Launch your next marble automatically with the “GraviTrax POWER Starter-Set”! The POWER Starter and Finish are linked via radio signal; as one marble finishes the race another is sent on its way! Or, use the POWER Controller to be in charge! Easy to connect and build, the set includes POWER accessories to create buzz-worthy, customized marble runs, completely compatible with all GraviTrax sets. Design the marble run track of your dreams in a race to the finish of exciting, educational fun!

GraviTrax construction sets are a creative, open-ended, expandable track system that challenges children’s curiosity and imagination to design and build their own marble runs! GraviTrax construction sets use STEM-friendly concepts while building critical thinking and problem-solving skills.

Comes complete with 124 pieces: construction plans, 7 metal marbles, 4 rugged 12” x 12” card bases, 1 large transparent level, 1 POWER Starter, 1 POWER Finish, 1 POWER Finish-arena, 1 POWER Controller, 40 large/12 small height tiles, 21 curves, 3 X-intersections, 2 switches, 1 3-in-1 tile, 1 vortex, 18 tracks (3 long, 6 medium, 9 short), 3 base tiles, 4 inserts (2 catchers, 1 freefall, 1 splash), 1 finish line. Requires 4 AAA batteries, not included.

Lasting durability for girls and boys ages 8 and up, it’s the learning toy children (and savvy adults) return to over and over again!

1 instruction and construction plan booklet, 1 warning booklet, 1 Power Starter, 1 POWER finish, 1 POWER finish arena, 1 POWER controller, 4 base plates, 1 big transparent level, 7 balls, 40 large height tiles, 12 small height tiles, 21 curves, 3 junctions, 2 switches, 1 3-in-1, 1 vortex, 3 long plastic tracks , 6 medium plastic tracks , 9 short plastic tracks, 1 finish line, 3 base tiles, inserts for the base tiles: 2 catchers, 1 freefall, 1 splash