Sift! Sort! Store! Pull out any brand of the puzzle from your stash and Cobble Hill's six stackable sorting trays to get started! Empty your bag of puzzle pieces into our unique sorter and sift, sift, sift away to remove any excess puzzle dust. Then, start sorting your pieces by color, shape, or border to aid in assembly. When you need to take a break, simply stack the sorting trays that neatly nest together. They'll be waiting for you when you're ready to get going again!