The magnetic tiles can be easily combined into various shapes Children can acquire a strong sense of color, geometrical shapes including 3D forms numbers counts, magnetic polarities & architectural design at an early age Wide compatibility, compatible with other similar-size magnetic building tiles. Building toys are made of non-toxic abs plastic with round edge design, smooth edge without sharpness. Sealing with rivets to prevent the tiles from cracking Kids can build small 3d shapes as the booklet described, and explore endless possibilities Translucent, brightly colored tiles are designed as educational toys Quantities:73pcs Colors : Random Suitable for : 2 Years old + Environmentally friendly ABS material. Not harmful to children Roded connectors do not cause injury. Light weight easy to construct or withdraw. Can create a variety of shapes to stimulate creativity develop skills and imagination in children. There are stickers of English words to increase kwledge.