Gravitrax PRO Mixer Expansion tgtgHO21Building&Construction A 3-in-1 award winner

A 3-in-1 award winner

Hand wash only

The sturdy

With pieces 20% larger than standard

for ages 3 yrs-teen

Gravitrax PRO Mixer Expansion tgtgHO21Building&Construction A 3-in-1 award winnerMix up the marbles journey with the Mixer. Add some surprise to your tracks by sending up to three marbles into the Mixer and see which sides they exit from. Combine this accessory with any GraviTrax Starter Set. GraviTrax is a modular interactive track system where you can design and build your own marble runs. This STEM toy for boys and girls 8 and up, encourages experimenting with gravity, magnetism, and kinetics to propel your marble to the