GRAVITRAX EXPANSION TUNNELS Colour:01 and often helps people out

and often helps people out with their maths

1 x starting block

the tiger does not want to be discovered by its prey immediately

Minimum assembly required (three pieces)

No need for batteries

GRAVITRAX EXPANSION TUNNELS Colour:01 and often helps people outDescription: 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