About This

• Challenging 3D wooden puzzle box with 149 precision-cut pieces creates a secret lock box that invites your inner escape room enthusiast while serving as a functional brain teaser
• Handcrafted from eco-friendly birch wood, this puzzle box for adults assembles without glue, incorporating gears and levers that teach basic mechanics and reward careful thinking
• Medium difficulty brain teaser puzzles for adults: clear illustrated instructions guide assembly in about 5 hours; once built, the secret mechanism offers a satisfying escape room challenge
• Compact yet eye-catching at 37×37×34 inches; the natural grain and painted accents make this wooden puzzle box a decorative display piece as well as a clever hiding spot for small treasures
• Great gift idea for puzzle lovers and teens; encourages patience, spatial reasoning and STEM interest; includes spare parts, candle wax, sandpaper and everything needed to build