EXTREMELY CHALLENGING - This puzzle is meant for adults or extremely bright and patient young adults
PRECISION CUT WOODS - Made from high-quality woods including Ash, Maple, Walnut, Oak, Mahogany, Birch, and more. At least 4 different woods used in each puzzle
STRONG AND DURABLE - Pieces are 1/4" thick and have a nice finish, designed to withstand frequent use
EDUCATIONAL AND FUN - Helps improve logical thinking skills and provides hours of entertainment
Originally designed by Theodore Edison, son of inventor Thomas, in 1933. Now made in Hudson, Florida by Creative Crafthouse