Discover the underwater world with your baby and the Opus's Ocean of Discovery water mat with Baby Einstein's Opus the Octopus. Simply fill the centre of the play mat with water and inflate the outer edge with air. While playing in a sitting or prone position, baby can work on muscle development while moving the six swimming sea creatures under the surface. Perfect for curious children from newborn age. This hands-on activity introduces the concept of cause and effect as babies touch the mat and watch the underwater creatures swim. It helps to engage infants and toddlers while encouraging the development of gross motor skills. Cleaning is easy - drain the water and air, wipe the mat down and fold it up for storage or transport. Use the mat at home or take it with you for adventures on the go, so your baby can discover the underwater world with all their senses anytime, anywhere.