Stackable puzzle box, puzzle sting tray, plastic ster, puzzle stage box description: Stackable design: With 6 stackable puzzle sting trays (with 1 cover), these puzzle trays can hold me than 1,500 puzzles f col sting easy ganization. F puzzle lovers, this is a must Indispensable equipment. High-quality: The puzzle sting tray is made of ABS, which is strong durable. You can ste the puzzles safely without wrying about damaging the puzzles, the stackable design does take up space. The perfect size f easy sting-each pallet measures 20 x 20 x 3.5 cm (length x width x height). Just spread the puzzle accding to the col, pattern shape place them in the tray respectively, the game will become easier Closed lid-The transparent lid is also closed to your Jigsaws puzzle from Duss . Don't wry about breaking everything down. practical gift f puzzle game lovers: puzzle game lovers save time space! Save time to complete the puzzle. Puzzle Boxes are the best auxiliary tools in puzzle games. Package includes: A set of puzzle stage boxes