Put together a three-dimensional image using separate pieces as a guide. Once you correctly position a piece, there will be a tiny firework effect, and another part of the picture will appear on top for you to work on.
遊び方
To move the puzzle, use your mouse and keep the left button clicked (the cursor should be on the puzzle). If you're using a smartphone, just glide your finger across the screen.
To scroll the page, do the same with your mouse (but this time the cursor shouldn't be on any of the active puzzles). Or, if you're on a smartphone, glide your finger along the screen to scroll.