GraviTrax Expansion Building STEM Activity, Multi, 29 Pieces - GX27602 siku Nancy loves using big fancy

Nancy loves using big fancy words such as "iridescent"

Encourages kids to explore their creativity

This set contains 10 magnetic blocks and 45 non-magntic clips

running the spheres up and down the track

the Smartivity Roller Coaster Marble Slide teaches concepts such as collisions

GraviTrax Expansion Building STEM Activity, Multi, 29 Pieces - GX27602 siku Nancy loves using big fancyThe GraviTrax track can be infinitely extended with various addons for endless building and racing enjoyment Increase the possible combinations and construct even more complex ball track systems. Includes 2x bottom plates, 1x transparent layer, 8x large height blocks, 4x small height blocks, 2x switches, 1x 3in1, 1x swivel, 1x target ladder, 4x base blocks and inserts, 2x catchers, 1x free fall, 1x splash, 1x target. The GraviTrax STEM track system