Buffalo Games Sorting trays will enhance your puzzling experience! With these 7 sturdy sorting trays, you can organize your pieces by color and store them for later use. Interlocking colored trays for an organized view, or separate them to spread them across your puzzling table. This set of puzzle sorting trays comes with a lid to safely stack and store. One set fits up to 1000 pieces, or add more puzzling trays that interlock for even more organization. Get things sorted out with these Buffalo Games Sorting Trays.