Discovery Crib Fun Center 13''L 12''H 1.5''D Activity center can be hanged safely on the crib. Over 15 Different buttons to press on, Push, move right to left, twist, flip, Etc. Every button creates lights and sounds, great for baby stimulation. Made of top quality & Safety tested to for all american guide lines. An amazing baby gift that will grow with the baby from 6M up to 2 years old