The Playsteam double decker bus is controlled by batteries and magnets. It is simple! There is so much to learn about this simple toy that will get the imagination flowing. Critical thinking Is just one of the benefits when playing with this toy. Use the informational booklet and use 2 AA batteries to get this robot to move on the landmark map for an interesting learning experience. Kids don't even know they are learning when playing with this toy because it makes learning fun. Attention to detail and critical thinking are required to make this amazing toy work and it creates a good bonding moment between parent or guardian and child.