DISNEY INFINITY Power Discs can be used to improve and enhance the DISNEY INFINITY experience in a multitude of ways. Circular Power Discs are used to grant your character special power ups that can be used in Play Sets and in the Toy Box. Hexagonal Power Discs unlock special gadgets, vehicles, and themes to allow for even more personalization in the Toy Box. Different combinations mean different results, the possibilities are endless! Disney Infinity Power Discs are sold in blind pack. Blink packs includes 2 power discs randomly chosen from the complete series of 20 designs.