Fisher Price Vacuum Themed push-along toys inspire early role play and help develop motor skills! Baby can activate the fun by pushing along to hear songs and tunes. Busy activities keep baby engaged and add to the fun. And with exciting Smart Stages technology, the learning content changes as baby grows. No fussy cords, plugs or hassle. Every baby develops at their own pace, and Smart Stages technology gives you the ability to select the stage that's best for your child! There are a variety of developmentally appropriate songs, phrases and sounds within three levels of play. Level 1 - Explore - 12M+ First words and sounds spark baby's curiosity Level 2 - Encourage - 18M+ Prompt baby though questions and simple directions Level 3 - Pretend - 24M+ Imaginative fun and early role play