Stack up the fun! From the tub to the beach, these stacking cups are a great way to learn and play. With eight cups, little ones can have endless fun stacking and nesting as they develop their fine motor skills. Featuring colorful numbered cups, with patterned draining holes, baby ccan also explore counting, matching, and pattern recognition as they play. Made from food grade silicone and is free from BPA and phthalates.