Gravitrax PRO Mixer — Marble Sorting Accessory (Up to 3 Marbles)

Mix up the marbles’ journey with the Gravitrax PRO Mixer. Drop in up to three marbles and watch which sides they exit from to add surprise and variety to your tracks. Combine this accessory with any GraviTrax Starter Set. Gravitrax is a modular interactive track system that encourages experimenting with gravity, magnetism and kinetics and offers endless design possibilities for 8 and up.