These MasterPieces 11.25" x 16.75" World's Smallest 1000pc Puzzles are designed for both entertainment and ergonomics. Sold in a compact 4" x 8" collectible tin box, these puzzles will fit anywhere, and feature beautiful paintings and photography from some of the world's most talented artists. Rainbow flow is a colorful burst of swimming fish. To reduce their impact on our environment, the chipboard used in these puzzles is made of recycled material.