Magnetic tiles provide children with open-ended experiences where the only limitation is their imagination. Designed for ages three and up, these magnetic toys for kids spark hours of imaginative, unstructured play, allowing them to bring their dreams to life. STEAM-approved: Offering endless possibilities for young, imaginative thinkers, MNTL STEAM-approved magnetic blocks inspire hours of instruction-free playtime while helping children develop math, science, spatial, and tactile skills. They are also found in educational settings everywhere, fostering teamwork and problem-solving skills as well. They are also durable enough to withstand years of imaginative creativity, whether children play inside or outside. MNTL tiles are made of food grade ABS plastic with rivets to ensure your child’s safety. The star shaped 16 facets design makes them glitter like gemstones under the sun and less prone to scratches.All MNTL magnetic tiles are ASTM, EN71 and CE certified; and are compatible with major brands in the market in the same size and with magnets at the same spot. This product is for children ages 3+.