A fresh take on a timeless classic, Stack and Squish Cups Sensory Stacking Toys will keep your baby or toddler engaged in open-ended play for hours. Stick, stack, squish, nest, and more! These 6 vibrant collapsible cups invite exploration, creativity, and experimentation.Featuring suction-cup bases, your infant can stick them to virtually any surface, including floor and bath tiles, refrigerator, and high chair trays. Perfect for water play, you can use baby's Stack and Squish Cups as bath toys or during mealtime for endless filling and pouring fun. This type of play promotes spatial reasoning and other important cognitive skills for the first years of baby's life. Say the colors of each cup out loud to help your little one learn their colors. This playset makes an awesome gift for a baby shower, baby's first birthday, Christmas, or other holidays. The multi-use cups are made with BPA-free and hand-washable materials. Appropriate for ages 6 months and up.