VTech Busy Learners Activity Cube Block toy is made of BPA-free plastic and has adjustable volume, auto shut-off. 2 AAA batteries included for demo purposes Kids learning toy has 5 sides that encourage exploration; 4 light-up buttons introduce animal names, animal sounds and shapes Pre-K learning toy has 14 interactive features that develop motor skills; music cube assists babies with sitting up to play Motion sensor activates fun sounds when the activity cube is moved to attract attention and encourage crawling Early learning center has 25 playful songs and melodies that keep toddlers 6 month to 3 year olds engaged and entertained; comes fully assembled