The Autobots and Decepticons use Prime Masters to wield the incredible powers of the legendary bots who shaped the universe: the Primes. Prime Masters carry the spark of a Prime, allowing them to share a Prime's godlike ability with other bots. When these Legends-class 3 3/4" figures are in vehicle mode, Prime Master (Not included. Each sold separately) figures can ride on the figure's back! Collect Slash, Beachcomber, Windcharger, and Skrapnel!