GraviTrax Expansion Tunnels fidget Ideal for Ages 3+

Ideal for Ages 3+

Adults love the soft

freefalls and even a cannon

With filled squishies

simply wipe down the inside of the bag with a damp cloth

GraviTrax Expansion Tunnels fidget Ideal for Ages 3+raviTrax Expansion Set: Tunnels Create the element of surprise with the GraviTrax Tunnels Expansion set! Use the tunnels to hide the marbles as they travel through your track. Combine the tunnels with your GraviTrax Starter Set for added mystery to your track. Will you be able to keep your eye on the marble as it rolls through the tunnels? GraviTrax Tunnel extension is a great tunnel system and provides on the ball track for many moments of surprise.