A box clearly intended to keep things safe. Have you ever romanticized about the job of a safecracker? Have you ever dreamed about the theft of the century? Here's a chance to test your skills. Each of our Secret Puzzle Boxes has a hint on the packaging, just like with Escape rooms. That's why we call them Secret Escape Boxes. We estimate the difficulty level for this Safe Secret Escape Box at 3 to 4 stars. Suitable for 1 player. Difficulty level: 2. Made of plywood.