LeapFrog: Math Adventure to the Moon 2009 ( 8)

Join Tad and Lily a they blast off on an exciting educational adventure! Tad and Lily need the perfect collection of things to take to school for their math assignment. When they finally decide on moon rocks, there's just one problem - how will they get them? With some magical help from their firefly friend, Edison, they board a rocket to start their quest. Soon the twins learn that math is everywhere, even in outer space!