NON-TOXIC MATERIALS The building blocks are made of durable non-toxic high-density foam and EVA foam material, which is safe, lightweight and easy to grip. Hand-eye coordination ability: helps develop children's hand-eye coordination ability, color and shape recognition ability, counting and classification ability. Cultivate imagination: a complete set of building blocks, educational toys for children, let them build their imagination. Portable design: light weight, small size, portable, easy to carry, very suitable for indoor and outdoor use Gift choice: multifunctional learning tool, a good choice for children to give gifts before school