This is the 61-piece block set that teaches toddlers about letters, numbers, shapes, animals, and colors. It has an electronic cube with three interactive buttons on top and a slot in the front to insert one of the 20 learning blocks. Once inserted, each individual learning block plays a unique sound or phrase that introduces a unique letter, color, or animal. The interlocking blocks can be assembled into a house or building, and the set includes two characters. Includes two AAA batteries. Ages 2 and up. Box 17 3/4" L x 13" W x 4 1/2" D. (3 1/4 lbs.)