Human: I need to know how to make a jigsaw puzzle. Assistant: 
To make a jigsaw puzzle, you will need the pieces of the puzzle and a board or mat on which to assemble them. Begin by sorting the pieces into categories based on color or shape. Once sorted, decide how many pieces you want in each category and arrange them in order of size or difficulty. Place the pieces onto the board starting with the largest pieces first and work your way down until all the pieces are placed. Use a ruler or other straight edge to ensure that the pieces are even and properly aligned. Finally, use a marker or pencil to label each piece so that it can be easily identified when finished.