Justice Guard is a more interactive series for people to enjoy. Designed in a real gun shape, it has real-action release and safer bullets. It’s easy-to-assemble structure makes it a perfect choice for your playful time. Step by step, you will have a satisfied building experience with the classic feel of the old Wild West. STEP 1: Follow the steps in the detailed English instruction manual. STEP 2: Pop out the puzzle pieces. Pre-cut wooden boards make it easy to pop the individual pieces out of the sheets. STEP 3: Aim the Goal—Pull the trigger—Shoot! With 170 pieces, this puzzle is 17 x 2.36 x 3.62 inches once assembled. | 3D Puzzle | | DIY 3D Moving Gears Puzzle | Terminator Gun | 172pcs | Best Buy