VTech Baby Lil' Critters Musical Glow Gym Colorful activity panel features piano keys and adjusts from exploring on their back to tummy-time play to sit and play mode to grow with your baby; drum button plays drum sounds Three electronic modes play music and sounds, age-appropriate vocabulary or ask simple questions so little ones can show what theyve learned; 2 pull tags play music and sounds Tree features four twinkling lights that flash with the voice, music and sounds for visual stimulation in all modes; 10+ activities stimulate motor skills and visual awareness Four dangling characters have a variety of colors and textures and include a self-discovery mirror, teether and rattle; colorful play mat removes easily from the gym for cleaning Requires 2 AA batteries (batteries included for demo purposes only; new batteries recommended for regular use); intended for ages birth and up