Transformer Handheld Game with Optimus Prime Take control of OPTIMUS PRIME, and team up with the AUTOBOTS and your human friends to protect the AllSpark. Detroit is in danger from human villains and the DECEPTICONS Grab hold of this electronic, handheld game and prepare to battle as the fearless AUTOBOT leader against DECEPTICON fighters and human villains in head-to-head encounters Combat your way through 15 different games. Want to change from robot mode to vehicle mode? Pull the handles on the controller to see the OPTIMUS PRIME character change modes right on the screen Learn all about your favorite characters in the Teletraan-1 Database and upgrade your weaponry with Sari's help; master your weapons and battle the bad guys in robot and vehicle mode to win When it's time to hit the road, slide your game into your backpack or overnight bag to take the battle on the go and roll out; includes 3 AAA batteries