Ceaco - 3562-6 - Seaside Glow in the Dark - 1x100, 1x300, 1x500 Piece Puzzles  Sizes 100 piece = 230 x 180 mm ( 9 x 7 ins ) , 300 piece = 360 x 460 mm ( 14 x 18 ins ) , 500 piece = 510 x 410 mm ( 16 x 20 ins )