From tummy time, to sitting and spinning, to standing and exploring all aroundthe Fisher-Price® 3-in-1 Sit-to-Stand Activity Center will keep your baby busy as can be! The soft play mat and musical alligator are perfect for newborns to lay and play, while the fabric seat allows older babies to spin around and discover all 360 degrees of exciting toys and activities. And with an add-on ramp with shape-sorter bugs to send sliding down, toddlers can keep the good times rolling! Where development comes into play™ Gross Motor: Little muscles get a big workout as they go from sitting and reaching & interacting with the activities to pulling up to a stand and cruising around the table. Sensory: Bright, cheery colors and playful lights and sounds engage your baby's developing senses. Curiosity: As little ones explore the variety of activities, from making music with the alligator to rolling the bugs down the ramp, they're introduced to cause and effect! Use only with a child who can hold head up unassisted and who is not able to walk or climb out of product.