Sudoku - Brain Games for Smart Minds: Box Set of 3 | Logic Building & Critical Thinking for Kids | Ages 6–10 | 6 Hours of Fun

Very good book for kids to sharpen their brain skills

I bought it as a birthday return gift and it turned out a good decision. The quality of the pages is a little compromised but then for the amount we get them it's fair. It has a good cover and many sudokus to solve.

It is a useful book to give work to the brain. And a useful timepass. My suggestion is the answers printed in the last pages may be inverted to avoid frequent checking the answers.

BRAIN GAME FOR OLD & YOUNG

It's interesting to engage kids and make them love numbers

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Sudoku - Brain Games For Smart Minds Level 1 Simple : Brain Booster Puzzles for Kids

I like this product