jigsaw puzzles typically come in 300-piece, 500-piece, 750-piece, and 1,000-piece sizes, however the largest commercial puzzle[puzzle?:jigsaw puzzle] has 32,256 pieces and spans 544 cm by 192 cm. The most common layout for a thousand-piece puzzle is 38 pieces by 27 pieces, for a total count of 1,026 pieces. The majority of 500-piece puzzles are 27 pieces by 19 pieces. Children's jigsaw puzzles come in a great variety of sizes, rated by the number of pieces. A few puzzles are made double-sided, so that they can be solved from either side. This adds a level of complexity, because it cannot be certain that the correct side of the piece is being viewed and assembled with the other pieces.
There are also Family Puzzles, which come in 400-piece with three different sized pieces from large to small. The pieces are placed from large to small going in one direction or towards the middle of the jigsaw puzzle[jigsaw puzzle?:Jigsaw puzzle cutting machine]. This allows a family or puzzlers of different skill levels and different size hands to work on the jigsaw puzzle at the same time. Companies like Springbok, Cobble Hill, Ravensburger, and Suns Out make this type of specialty jigsaw puzzle.
