ABS plastic, safe and environmentally friendly Thanks to the permanent magnet material, the 3D puzzle will be permanently intact, so you can use it for years. The material is non-toxic and has no sharp or sharp edges. Teach children to stay away from electronic devices or under their eyes to avoid injury. Transparent APPLICABILITY - Ideal gift for 3 years old or older children - Magnetic education to develop their intelligence, creativity and DIY - Magnets - Color discrimination toy - Help children and improve imagination - 54 smart cards, 108 ideas to help children build Different buildings to help children develop their logical skills and concentration. Memory and improve patience. A set of 7 tiles of different shapes and colors to build complex things. You're challenged, but you're not frustrated with being a bit harsh. A great stress reliever for adults of all ages. Imported ABS plastic, international standard, safe and eco-friendly - permanent magnet material, keep children away from electronic products.