Safe and Durability: Gemmicc Magnetic tiles are made of Non-Toxic and durable ABS plastic, the round corner design won’t hurt your children’s little hands, Our factory adopt the advanced ultrasonic welding technology to avoid any flaw, so there is no need to worry about your kids’ safety, just release their endless creativity and free their imagination. STEM Approved Toy: Gemmicc Magnetic tiles set is perfect for classroom, family, kindergarten, day care centers etc. This toys set can help enhance your kids’ fine motor skills, color and shape recognition ability, Children can build anything they imagine, from 2D planar shapes to 3D geometry, your children will feel a sense of accomplishment during the play. Powerful Magnetism, Build Bigger: This magnet building blocks comes with larger magnets which can provide with stronger magnetism, your children could build taller and larger structures, dream big, build bigger, Perfect toys for children age 3 4 5 6 7 8 9 years old, good gift idea for their birthday or Christmas.