Looking for a quick and easy way to make nutritious homemade food for your baby? Use the Stackable Cubes to store the perfect portions of your own baby food. They clip together for easy stacking and storage and are freezer-, microwave- and dishwasher-safe. Healthy and nutritious is now quick and easy, too! The NUK family of brands designs safe and fun products that encourage your baby's development. NUK is committed to nurturing your children's healthy transitions from birth to toddler and has worked for over 50 years to design high quality, innovative products that are scientifically proven to support safe and healthy development.