Hard mazes for teens and adults: fine-lined grids of 30 x 40, 40 x 50 or 50 x 60 cells, with twisting paths and hundreds of dead ends. Eight of each size, one per page, with answer keys, plus the 30 x 40 set in color. The 50 x 60 paths are about 1/8 inch (3 mm) wide.

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Free for home, classroom and work use. License information