My new favorite sorting tools: cafeteria trays! So nicely stackable. : r/Jigsawpuzzles

Bits and Pieces – Stack-Em Sorting Trays - Puzzle Piece Organizer – Stackable Sorting Trays - Jigsaw Puzzle Accessories - Pack of 6-7¾” x 5¾” : Toys & Games

Puzzibly 8 Puzzle Sorting Trays With Lid Jigsaw Puzzle Sorters Fit 1000 Pieces

Discussion] Probably old news but something that bugs me… swipe to see Ravensburger puzzle trays. Why didn't a puzzle company make puzzle trays that puzzle correctly? : r/Jigsawpuzzles

Melissa and Doug Geometric Stacker

Galison's Stackable Sorting Trays will help you sort your puzzle pieces for a fun as well as organized puzzling experience. Contains 6 multi-colored trays and a lid for the top tray. Makes a great gift for puzzlers of all ages! 6 multi-colored Trays: 7.7 x 7.7 x 0.8”. Each tray holds approximately 230 puzzle pieces. Includes lid for top tray. Made by Galison with our puzzle fans! 8 x 8 x 3.25” box size.

Puzzle Sorting Tray Set

Cobble Hill Puzzle Sorting Trays

Puzzle Sorting Tray Set – Galison

All Jigsaw Puzzle Sorter Trays - Pack of 6 and Carry Case

Was just accused of sorting [this] puzzle within an inch of its life, which is something I've never thought about before. What do you think? How much sorting do you do?

Buffalo Games Jigsaw Pro Puzzle Sorting Trays Accessory

Choice 10 x 14 Red Plastic Fast Food Tray

Stackable Paper Trays, Hobby Lobby