Get ready for takeoff! Create your own spaceship and lunar explorer with this 138-piece PolyM set. It includes everything you need for the vehicles depicted on the packaging. Use the instructions to build the spaceship and lunar explorer. Recombine the blocks to create other space constructs. The blocks are made from flexible material with soft edges, perfect for little hands. The endless building options of the set encourage your children's imagination and creativity. Encourage them to share their own stories while they create. The material (LD-PE/HD-PE polyethylene) is machine washable, 100% non-toxic, and safe for children.