Divide and conquer! Make solving jigsaw puzzles a snap with Puzzle Sorting Trays ! Never worry that you'll lose a puzzle piece! Use these handy trays to sort pieces by color, shape, pattern, or theme, as you work on your latest puzzle. Trays join together for easy organization. Trays make it easy for several people to work on a puzzle all at once. Set includes 6 sturdy plastic trays. (Need more? Simply add additional sets.) Trays are stackable for easy, space-saving storage. Bright yellow trays are made in fun puzzle-piece shapes. For puzzles up to 1,000 pieces. Each tray measures 7.48'' square x 3.9'' deep. Set of 6 trays comes boxed. Box measures 7.5'' wide x 7.5'' high x 4'' deep.