PlayBuild slyders set is a fun and challenging, multi-dimensional building set. The perfect symmetry of the blocks create a perfect wedging environment where the blocks actually interlock. Kids in early childhood will definitely be stimulated and amused by the endless geometric ways the 3D blocks will stack and nest together! Great education for children young at learning! Kids will grasp the difference between horizontal and vertical. The smiling face of your exuberant child will show you how important creativity is for that budding personality. The perfectly nestable design fo these geometric blocks assures that there is no wrong way to build! You may be sure that this open-ended slyders set introduces little ones to the spatial world of angles, color matching and creative free-play designing. This PlayBuild slyders set is made up of super durable & safe material. Never worry about your child when they are playing. Safety & Quality is our priority! This Product Includes: 60 x Slyders Super Durable Storage Container