Ravensburger GraviTrax Expansion Tunnel Set

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? Set includes 4x Curved Tunnels, 2x Straight Tunnels, 2x ‘Y’ Junction Tunnels, 2x Card Bases, 1x Vertical U-Turn, 2x Drop Rails, 2x Bent Rails. Age 8+ Gravitrax Starter Set required to use this set.