EuroGraphics The Persistence of Memory by Salvador Dali 1000-Piece Puzzle. Box size: 10" x 14" x 2.37". Finished Puzzle Size: 19.25" x 26.5". Salvador Dali uses sarcasm to add a darker meaning as the clocks are melting and thus are anything but persistent. Strong high-quality puzzle pieces. Made from recycled board and printed with vegetable based ink. This superior quality puzzle will delight and educate all at the same time.