Fisher-Price 4-in-1 Ocean Activity Gym. Your baby can dive into all kinds of aquatic adventures with this 4-in-1 transforming activity gym. With its bright, extra-thick playmat, linkable sensory toys, and light-up activity panel with exciting songs, sounds, tunes and phrases, this ocean-themed activity centre will keep your little seafarer playing and learning from newborn to toddler. Where development comes into play; Sensory: The variety of bright colours, different textures, lights and sounds, excite and engage your baby’s developing senses. Gross Motor: Your little one’s neck and core muscles will get a big workout as your baby pushes up during tummy time to interact with the toys. Curiosity and Wonder: Little seafarers are introduced to cause and effect as they discover that pressing the buttons on the activity panel activates fun songs, sounds, tunes and phrases.