Tunnel Pack Expansion

Features:

Experience the power of gravity is the all new STEM track system from Ravensburger.
Use your imagination to build superb tracks and set the gravity spheres rolling! Create the element of surprise.
Use the Tunnels to hide the marbles as they travel through your track.
This STEM system [Science Technology, engineering and Maths] is an ideal one teach to kids about gravity, magnetism, kinetic energy and fun.
problem-solving. please. Rebuild and try something different
The GraviTrax track system can be extended with indefinitely extra track packs and add-on's -
each sold separately.
This set is suitable for 1 + players, ages 8 years and up.

Package include:

4x Curved Tunnels,
2x Straight Tunnels,
2x 'Y' Junction Tunnels,
2x Card Bases,
1x Vertical U-Turn,
2x Drop Rails,
2x Bent Rails

WARRANTY

We'll refund your money if the item hasn't been delivered within 40 days after purchase. You have 2 weeks to request a refund — until day 60.
Product doesn't match the description? Contact us within 30 days after you receive it!
In case of cancellation, money will be refunded to your account within 3 days.