Let 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?
Let 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?
