GraviTrax Spiral Expansion Air-Dry Clay Open the yellow case to

Open the yellow case to access multiple compartments where you can organize and store LEGO pieces

Maybe your child is ready for a new baby in the family

For 1 player

But why stop there

Start down the "magical" road to "sweet" surprises

GraviTrax Spiral Expansion Air-Dry Clay Open the yellow case toLet the ball go crazy! Build your spiral individually and connect different heights dizzily. Combine the spiral with the GraviTrax starter set and bring even more action to your route. What new possibilities does the spiral open up on your train? With the GraviTrax interactive track system, you can design and build your own race tracks and experiment with gravity, magnetism, and kinetics to propel your ball to the finish. With a variety of tiles,