30+ plastic magnetic tiles great for imaginative 3D creative building. Parents, teachers, and kids looking for that perfect indoor/outdoor activity that promotes learning through play, will love the convenience, durability, and entertainment offered. Designed for durability and safety, our set uses non-toxic, premium materials and magnets – featuring smooth, rounded edges, so children 3 and older can play and build all day long. The magnetic tiles also help develop critical skills including motor skills, hand-eye coordination, cognitive ability, problem-solving, counting, and critical thinking. Each shape features magnets along the edges that snap together so that shapes can be assembled into hundreds of different creations After hours of building, the creations can easily be broken down and stored. Materials: Heavy Duty, Brightly Colored Plastic. Rubber, Magnets