Spinos Battle Game is a force field battling game! Spinos is a force field ball that is controlled with the power ring. When you spin it, a magnetic force field is created around the ball. You can then use the power ring to remotely control the magnetosphere with no batteries or electricity. Be the first to knock your opponent out of the arena! Comes with two Spinos, two power rings and battle arena. There are different sets and you can collect and connect them all. Everything works together so the more you get the bigger, more challenging, and more fun your trax system becomes. Powered by magnets. No batteries required. Ages 6+.