Includes 112 shapes and 32 struts. Octoplay is a simple interlocking construction system based on an 8-sided shape which encourages creative play, providing an exciting starting point for learning about shapes, relationships through patterns, and problem solving skills for young children and children with special needs. The eight-sided pieces and struts can be easily be easily slotted together and with the addition of the wheels set, moving models are simple - build and go!