It beeps, it flashes, and best of all it builds your kids' math skills fast
! From basic math to pre-algebra practice, this portable electronic game and full-function calculator provides random and sequential drills in addition, subtraction, multiplication, division, fractions, decimals, and percentages. Kids improve at their own pace with a timed no-fail game format. A flash of light gives visual responseLCD screen clearly displays problems and gives immediate feedbackHELP key provides additional clues for solving problems With one touch of a button, convert MathShark ® to a full function calculator!9" x 5" size fits conveniently into backpackFor ages 6 and upIdeal gift idea: comes in attractive window boxRequires 2 AA batteries, which are not includedFrom a proven and trusted educational source.