GraviTrax Tunnels

Create the element of surprise! 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?

Contents: Instructions, 2 base plates, 4 curved tunnels, 2 straight tunnels, 2 tunnel switches, 2 vertical U-turns, 2 Bernoulli plastic tracks, 2 O-shaped plastic tracks, 2 catchers