Octagonal: Octagon bricks in four different colours, with cut outs for putting pieces together. Kids' building set: Get a 40-piece set of Giant Octoplay - seen in schools across the country!! Lightweight: Each piece is lightweight and durable, and measures 24cm across. Simple: Simple and easy to connect pieces together. Versatile: Ideal for use inside or outside. Surfaces: With textured surfaces that make the shapes very tactile. Giant Octoplay 40-Piece Set | Living Social