MathShark

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 response

LCD screen clearly displays problems and gives immediate feedback

HELP 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 backpack

For ages 6 and up

Ideal gift idea: comes in attractive window box

Requires 2 AA batteries, which are not included

From a proven and trusted educational source.