4D now introduces you the new and patented Scratch- Off DC Puzzles. You first assemble the puzzle. Experience what the scene looks like. When completed, use the Scratch Off tool to begin scratching the top layer. As you Scratch, the image will disappear before your eyes! But don't worry about the original summer puzzle image being scratched away. When scratching is complete, you can turn the puzzle over, and the original re-appears! This patented Scratch Puzzle comes with a scratch tool and brush. Total Scratch time is an enjoyable 1-2 hours of fun as you perfect each piece, and see the seasons change before your eyes. The puzzle is 150 pcs.