Knock, knock! Who’s behind the doors and windows of the Latches & Doors Busy Board™? Slide, press, twist or turn to unlock and open the doors and windows of the colorful house to build motor skills. Toddlers will find pictures of an adorable family, pets or a birthday party. This activity board reinforces learning by introducing numbers and animals. Three colorful buttons play the Alphabet Song, a number song or a playful song about the house. The busy board also includes a handle for play at home or away. Batteries included for demo purposes only, new batteries recommended for regular use.