GRAVITRAX EXPANSION TUNNELS Size:01 This invisible sock hides below

This invisible sock hides below the shoe line

contrast and detail to make the most of any activity

Zip closure

Full-grain leather upper

GRAVITRAX EXPANSION TUNNELS Size:01 This invisible sock hides belowDescription: GraviTrax 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