The colorful stacking cups keep children playing for hours. With differently shaped small holes in the bottom for water to drain out in different ways! This educational baby toy favors not only fun but also children's learning by playing and developing manual skills. Stacking cups help kids learning to identify and sort colors, shapes, and sizes. The cups are bright and colorfull to visually stimulate kids. This bath toy is made of durable, non-toxic, and BPA-free material (ABS). Having as highest priority the safety of our children, all cups have soft edges for the highest safety and are ASTM certified. Stackable cups are the perfect fun gift. Suitable for boys and girls, ideal to play outside during hot summer days, on the beach, in the water or while taking a beautiful and fun bath! Recommended age 3+ years