LeapFrog - The Batman Strength in Numbers

Wield powerful counting, addition and subtraction skills to help Batman™ defeat the villains of Gotham City™!Teaches counting , odd and even numbers, addition and subtraction.Skip count your way to defeating the crazed Cluemaster.Sort shapes to keep Firefly from stealing a valuable laser.Stop Mr. Freeze™ cold with your knowledge of addition.Parents can follow their child's play and learning progress on the LeapFrog® Learning Path.Connect the handheld to your computer to access earned Achievement Certificate rewards.Play in LeapWorld™, a safe, online learning world with more games and rewards to expand the fun.Works only with Leapster and Leapster2 learning game systems.