This 123-piece magnetic tile set is made of eco-friendly and non-toxic ABS plastic, TPE, and other child-safe materials, featuring a smooth surface with no burrs to ensure safe play. It offers strong magnetic performance, with magnetic force more than 1.5 times that of ordinary magnetic tiles, providing stable adsorption and preventing the structure from falling apart. The enhanced magnetic strength ensures that children can build sturdy and creative structures without frustration, making it an ideal educational and entertaining toy.