- Fisher-Price HWY54 Activity Gym with play mat and detachable piano - Designed for newborn babies, promotes sensory development and motor skills - Includes 10 hanging toys: jingling ball, butterfly teether, crinkle toy, mirror, and more - Adjustable high-contrast arch for different play positions - Piano with 5 light-up keys, 4 musical modes, and freestyle option - Smart Stages levels: over 85 songs, sounds, and phrases to learn about animals, colors, numbers, and shapes - Soft mat, machine washable and easy to maintain - Encourages play on back, tummy time, and sitting up, adapting to baby's growth - Perfect for stimulating curiosity, coordination, and early learning