This 1,000-piece jigsaw puzzle contains exactly 1,000 different colors arranged in the form of a CMYK gamut and is guaranteed to drive you insane. The creator of the 1,000 Colors puzzle, Clemens Habicht, suggests the puzzle is actually easier than traditional image-based puzzles. When faced with a field of color, he says the placement of every piece becomes almost intuitive.

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A challenging crossword puzzle to help students learn the names of the U.S. state capital cities. Fifty clues in all. Solution included.

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