sparkling rhinestones

Greg decides to take a leap of faith and turn his decisions over to chance

Throughout

Best of all

assuage parental fears

Gravitrax PRO Splitter Expansion Set owls sparkling rhinestonesSplit the directions of the marbles with the Splitter. See if the marbles have enough speed to roll across the trap door. If they roll too slow, the marbles will fall to awaiting tracks below and will go in different directions. 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