Imbucare Box with Triangular Prism – This material is provided with a box that has a triangular hole on the lid into which the triangular prism can fit in. The box has a hinged door with a circular hole cut out of it. Once the prism is dropped through the hole, the child can reach it through the large round hole or by opening the hinged door and take the prism out. For devleoping hand-eye coordination as well as basic logic skills