Eurographics Naruto Whirlpool 1000-piece Puzzle. This striking print depicts one of Japan's tidal whirlpools in the Naruto Strait. The strait's tides produce the fourth-fastest current in the world, shifting enormous amounts of water in and out of the 1.3km passage everyday. Painting by Japanese artist Utagawa Hiroshige. EUROGRAPHICS puzzles are both fun and educational. Puzzle pieces are made from 1.75mm blueboard, and are 100% recyclable, and printed with vegetable-based inks. Box size: 10" x 14" x 2.37". inished Puzzle Size: 19.25" x 26.5".