Single version. Your screen-free coding skills will take a giant leap with this lunar rover coding set! Inspired by our bestselling Code & Go Robot Mouse, it challenges kids to code their lunar rover through customizable mazes to reach the astronaut and save the day. Solve dozens of coding challenges with the set's activity cards, or explore open-ended play with tile pieces that can be rearranged into unique mazes. Package size: 16.25 in W x 12.5 in H x 3 in D. Ages 4+.