Kolcraft Baby Sit & Step 2-in-1 Activity CenterThe Baby Sit & Step 2-in-1 Activity Center grows with your child from a stationary activity center to a walk-behind walker. This activity center by Kolcraft includes 20 activities and 9 toys to help develop motor skills. The Electronic Discovery Center features lights, music, and sounds. The walker's wide stance and easy roll wheels help to make learning to walk easy.