Inside you will find 30 Puzzles to solve (one Puzzle per page) of 7x7, 8x8, and 9x9 Tunnel. You will create a single line between two initially marked cells. The line cannot touch itself, not even diagonally. The answers are provided at the back of the book.
This activity book is perfect for yourself to fill your leisure time or as a gift to your loved one.
Take a pencil and test your puzzle solving skill today!