6 months & up. Featuring several enhancements, the Tower of Fun Stacking Cups add a modern spin to classic stacking and nesting cup sets. Playset includes 10 brightly colored stacking cups that are individually numbered, plus a cat faced topper. In addition to fun shapes on each stacking cup, cups also feature a unique stamp on the lid and small holes to add to their versatility - they are now bath and sand toys, as well! The Tower of Fun Stacking Cups are made of high quality, durable, non-toxic, BPA free plastic and are free from sharp edges. Stacking tower features 11 cups and measures 19" when built.