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 ship to start their quest. Soon the twins learn that math is everywhere, even in outer space! Watch as they use their skills in counting, sorting, skip counting and recognizing patterns to overcome obstacles, find new friends and make the trip back to Earth!