Part learning companion, part magic wand, Ace talks, laughs, lights up and even buzzes with excitement as children explore. Designed for little hands, this electronic pen cheers for correct answers and gently redirects children when they answer incorrectly, allowing for independent discovery. Works with all Hot Dots and Hot Dots Jr. card sets; simply press the pen to an answer on any Hot Dots?card for an immediate response. Requires 2 AAA batteries (not included) and measures 6" long.? For children in Pre-K and up.