Play in the big leagues with the “GraviTrax PRO Giant Starter-Set” and create the tricked-out marble run of your dreams!

Elevate your imagination to new heights with the “GraviTrax PRO Giant Starter-Set”! With 409 diverse pieces, this massive construction set offers everything you need to build giant vertical action-packed marble runs! Connect walls, pillars and balconies to form structures with suspended stunts and intricate pathways. Included plans make set up a snap while encouraging creativity and independent play. Explore endless possibilities to experience the power of gravity and educational fun today!

GraviTrax is the STEM-friendly, expandable construction set kids love!

Comes complete with instructions, plans for 7 tracks and 409 pieces: 18 metal marbles, 8 rugged 12” x 12” card bases, 2 large/2 small transparent levels, 100 large/32 small height tiles, 54 tracks (9 long, 18 medium, 27 short), 2 long/8 short Bernoulli tracks, 2 o-tracks/catchers, 70 curves, 10 X-intersections, 3 vortex, 4 Y-intersections, 1 launcher, 2 finish lines, 2 3-in-1 tile, 4 switches, 16 basic tiles & inserts (4 catchers, 2 freefall, 2 splash, 2 landing, 8 Tunnels, 2 U-turns), 8 pillars, 4 tunnel pillars, 5 walls (2 long, 2 medium, 1 small), 16 balconies, 4 double balconies, 1 Hammer, 1 Loop, 2 Magnetic Cannons, 1 Scoop, 1 Spinner, 1 Helix, 1 Mixer, 1 Splitter, 1 Turntable.

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!