The Winning Fingers Flashing Cube Electronic Memory and Brain Game is a 4-in-1 handheld electronic game designed for ages 0-12 years. This interactive game challenges kids to improve their memory and concentration skills while having fun. The handheld design makes it convenient for on-the-go play, and the batteries required are 3 AAA batteries. The compact dimensions of 3.43 x 3.23 x 3.46 inches and lightweight design of 7.4 ounces make it easy to carry and play anywhere.