Designed for ages three and up, Magna-Tiles spark hours upon hours of unstructured play and STEM learning. Made by Valtech, they come in even more fun magnetic shapes with the Magna-Tiles Polygons 8-Piece Expansion Set! Add brightly colored diamonds and polygons to your collection and watch young imaginations run wild. For ages 3 and up. WARNING: CHOKING HAZARD – Small Parts. Not for children under 3yrs.