Made especially for baby's view, the Blue Look Up Mobile is a thoughtfully designed nursery essential from The Peanutshell. The eye-catching mobile promotes sensory development and self-soothing. Primary bright and Montessori inspired black and white prints provide high contrast visual stimulation. Sharpen baby's fine motor skills as they reach for 5 eye-catching plush pieces including a smiling sun, stellar star, fluffy cloud, radiant rainbow, and cute tree. The mobile comes with two interchangeable fabric arm covers in blue and white and fits all standard cribs. A digital music box plays snippets of 12 soothing lullabies that soothe baby to sleep. Two AA batteries (not included) are required.