Evenflo SmartSteps Jump & Go, ABC 123: * Learn and play activity pod is interactive and age appropriate with sounds and lights keeping baby entertained with 8 songs, 6 fun activities and 8 blinking light shows * A sturdy door frame clamp provides a secure fit to interior doorways at least 3", but no more than 6" thick with firmly affixed door trim at least 1/2" wide * Fully enclosed spring prevents access to and also keeps dirt from collecting in the active spring * The 3-point strap keeper makes it easier to get child in and out while keeping the straps away from your baby * Adjustable straps allow you to size and adjust to accommodate a baby"s changing height and weight * Removable, washable seat pad * Toy loops so you can clip on baby"s favorite toy * Develops coordination in babies who are least 4 months old and able to sit up unassisted and keeps them entertained until they are walking on their own * Requires 3AA batteries (not included)