Test your number knowledge inside and out with over 15 different kinds of problems! Engaging play features 4 games with 3 levels each, keeping kids on their toes as they rise to the challenge. Helps children learn number values, place value, addition, subtraction, multiplication and division. Sounds and lights reward success and encourage players to problem-solve to correct mistakes. For 1-2 players. Measures approximately 10"L x 9"W x 5"H. Requires 3 AA batteries, not included.