This is a parent-child interaction product, which is not only a whiteboard for drawing but also a jigsaw puzzle with countless possibilities. Children or their parents can draw on the whiteboard with markers. After the painting is finished, the whiteboard can be broken into many small pieces, which will disrupt the layout of the painting and become a jigsaw puzzle. Thanks to the property of the whiteboard, the product can be reused many times to create unique and interesting puzzles.