New! Sigma's PlanetPack - The fun STEM bundle:
Pi and the planets game AND Sigma, Pi and the planets book!
Read all about Sigma and Pi's adventures in space, on their mission to save our galaxy when the space croc Crosmos has made a mess in our solar system!
And then ...
Play the game where you help Sigma and Pi on their task! Roll the dice and move your space ship to visit the planets, take a ride in a wormhole, say hello to space creatures and stay out of Crosmos' way!
Learn more HERE