Mind Puzzles for Teens: Ripple Effect Puzzles - 200 Brain Puzzles with Answers (Paperback) (ISBN-13: 9781980847939)

We have something new for you, with Mind Puzzles for Teens, a great way for you to spend a few hours in deep concentration, working out complex and fun puzzles and conundrums.

Ripple Effect - is a logic puzzle published by Nikoli. The puzzle consists of a rectangular grid of any size divided into polyomino sections called "rooms". Each room must be filled with each of the numbers from 1 to the number of cells in the room. If two identical numbers appear in the same row or column, at least that many cells with other numbers must separate them.

The book comes complete with the solutions at the back, so you'll always know if you got it right, or can find the solution if you are really stuck for the answer.

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