Spinos Mega Trax Challenge is the ultimate magnetospheres challenge game! Spinos is a force field ball that is controlled with the power ring. When you spin it, a force field is created around the ball. You can then use the power ring to remotely control the magnetosphere with no batteries or electricity. Set up your course and see how far you can get or race your friends! Guide the Spinos over the trax using the power ring. There are tons of challenges! There are different sets and you can collect and connect them all. Everything works together so the more you get the bigger, harder, more fun your trax system becomes. Comes with one Spinos, one power ring and 17 piece Trax system: 2 Launch pads, 2 Trax, 2 Thin Tax, 1 Tightrope, 1 Tunnel, 1 Snake, 2 Ramp/see-saws, 1 Start ramp, 5 connectors. Powered by magnets. No batteries required. Ages 6 .