The set contains cards with math puzzles. The puzzles consist of addition and subtraction problems with numbers up to 20. To solve these tricky Chinese brainteasers, you will need focus, logic, and wit. Can't find the solution? Take another look at the pictures—you might have missed a detail.
Answers are provided for all the puzzles.
In the set: 36 double-sided cards, a marker.
Age: 6-10 years
Dimensions: 170x120x25 mm
