It seems easy - build a cube so that one of every color is represented in each row and column. But it will offer hours of problem solving to keep everyone enthralled. It's difficult to solve 36 Cube completely, but the fun is in seeing your child improve each time it's played. Encourages pattern recognition and abstract thinking. For ages 8 and up.It seems easy - build a cube so that one of every color is represented in each row and column. But it will offer hours of problem solving to keep everyone enthralled. It's difficult to solve 36 Cube completely, but the fun is in seeing your child improve each time it's played. Encourages pattern recognition and abstract thinking. For ages 8 and up.