Learn hundreds of math facts - Fast! Fun! Easy! Math Whiz plays like a video game and teaches like electronic flash cards. This portable ELA quizzes kids on addition, subtraction, multiplication or division; plus it works as a full-function calculator with the press of a button. Problems are displayed on the LCD screen. Features eight skill levels as well as lights and sounds for instant feedback. Requires 2 "AAA" batteries (not included). Measures 8.3" x 7.1" x 2.3".