Includes adjustable bridges, new extra-long narrow and slow tracks and more. 13 pieces
Make of metal and plastic.
Clear instructions included.
GraviTrax is a modular interactive track system where you can design and build your own marble runs. This STEM learning toy encourages experimenting with gravity, magnetism, and kinetics to propel your marble to the finish. Designed with open play in mind, the concept offers endless possibilities to design a different track every time you play.