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?

Requires GraviTrax starter-set.

!!!WARNING!!! CHOKING HAZARD Small parts and small balls. Not for children under 3 years.

Contains:

• Instructions
• 2 base plates
• 4 curved tunnels
  
• 2 straight tunnels
• 2 tunnel switches
• 2 vertical u-turns
• 2 Bernoulli plastic track
• 2 O shaped plastic tracks
• 2 catchers
  

Intended for ages 8 and up.