• 1000-piece puzzle for adults with a mystery box concept. • Surprise format: The box lock reveals clues about the location of some pieces, but the rest is a surprise. • The final image hides details and surprises not visible at first glance. • Includes a special lock that allows you to see up to 5 extra clues to help with assembly. • Secret guide available to reveal additional clues whenever needed. • Approximate size of the puzzle once assembled: 68 x 48 cm. • Stimulates fine motor skills, visual memory, curiosity, and imagination. • Made with high-quality materials that guarantee an optimal fit. • Recommended for ages 14 and up.