Andrey Kolesin

This version doesn't have advertisements. Real classic in the world of puzzles. Good old matchstick puzzles. Already hundreds of years occupied the mi …

A set of educational puzzles that help you refresh or learn the basics of math as well as generate the love for the simplicity and elegance of logical …

A set of educational puzzles that help you refresh or learn the basics of math as well as generate the love for the simplicity and elegance of logical …

Real classic in the world of puzzles.Good old matchstick puzzles. Already hundreds of years occupied the minds. The rules are simple: you have a figur …