Powerbrain XP Yo-Yo by Yomega. Power Brain XP gives players the choice! Smart Switch converts auto return to responsive play. The Powerbrain XP Yo-Yo by Yomega gives all players the ultimate choice! For the beginning player this yo-yo comes out of the package in the auto return mode. Players can practice their skills by learning to flick their wrists to make the yo-yo sleep. The auto return takes the frustration out of the early stages of learning the basics. When the player is ready, flip the switch and Powerbrain XP becomes a responsive, transaxle style, manual return. Practice making the yo-yo sleep, and then return with a brisk flick of the wrist. Learn all the classic yo-yo tricks as you control the return. Auto Return and Manual return. Player chooses when to advance. Smart Switch Technology. Beginner to Intermediate. Modular Design. Colors May Vary.