Moshi Monsters: School of ROX

http://moshimonsters.wikia.com/wiki/Moshi_Monsters:_School_of_ROX Moshi Monsters: School of ROX is a game developed for LeapFrog devices, designed to teach kids about mathematics. In the game, you solve basic math problems to help the monsters perform a concert, unlock Moshlings and music videos. The game is designed for 5-8 year olds, is published by LeapFrog, and is available on the LeapFrog App Centre