Build them up and knock them down! Sort, stack, nest and play with noüka’s Silicone Stacking Cups. Seven cups in soft rainbow shades encourage color recognition, cognitive reasoning, and fine motor skill development. Made from soft and flexible food grade silicone, our stacking cups are easy to clean, durable, and long-lasting. These Silicone Stacking Cups are available in an array of calming, modern colors for your little one. Features: - Stack, sort, and nest to encourage cognitive reasoning and fine motor skill development -Versatile for use during playtime, in the bath, or at the beach -Recommended for ages 6 mo+ -FDA approved, food grade silicone -BPA, PVC, and Phthalates Free -Dishwasher safe and easy to clean Cleaning and Care: Wash thoroughly before first use. Dishwasher safe or wash with soap and warm water and let air dry.