love this product Math Shark Calculator
Turn math into a fun game that quizzes learners on seven different skill levels in addition, subtraction, multiplication, division, fractions, decimals and percentages. As little ones see their time improve, they're continually motivated to learn more, and a help key provides additional clues for those who struggle at first.
- 2.5'' W x 9.75'' H x 6'' D
- Requires two AA batteries (not included)
- Recommended for ages 6 years and up