Q&A for How to Glue a Finished Puzzle

Depending on the size of the puzzle, an empty pizza box is great for storing the puzzle. You also might use frame boxes; just ask a frame store for some of its leftover boxes.

Complete your puzzle on the frame: remove the glass, work on the back of the frame if it is wood or cardboard. If it is a large frame, use sticky foam. Cut the foam to final size of puzzle (it will be the backing later), and complete the puzzle there. When finished, return the glass and frame it tightly. You will be able to remove the pieces if desired.

Use 50% school glue and 50% water. Make sure it is mixed well. Put the mixture in a jar or bottle and shake well.

Yes, or cardboard.

You could try using temporary tape on the top, flipping it, gluing it, flipping it back, and then taking off the tape.