Model Safe Kit | 3D Wooden Puzzle | DIY Mechanical Safe FUNCTIONAL AND FUN - Teens and adults aged 14 and up will enjoy building their own 3D wooden safe. Creating the safe is challenging and may take a few hours, depending on your pace and patience. Once youve finished, you will have a place to store valuables safely, with the pride of constructing a unique piece. EXPERTLY CRAFTED - The Model Safe Kit is a 3D wooden puzzle, made from durable plywood and birch. The 179 pieces includes are laser-cut for precision, so your pieces will fit together to be engineered without an issue. No glue is required for constructing your Model Safe Kit for the parts to fit together tightly, but some sanding may be required. CAPTIVATING HANDCRAFTED DESIGN - The Model Safe Kit is not only functional and fun, but it's designed beautifully, too! The three dimensional wooden puzzle has decorative designs that look captivating in the finished product. Display a truly unique wooden piece on your desk, shelf or nightstand. BRING THE FAMILY TOGETHER - Building this Model Safe Kit can be engaging and rewarding for the family to complete together. The complexity of this kit will bring families together for hours to create something truly unique to display in their home. This model is a perfect idea for handyman or anyone who enjoys woodworking. EXPAND YOUR MIND - This 3-D puzzle is classified as medium level difficulty and requires meticulous attention to detail and accuracy when assembling the laser-cut plywood and birch wood pieces. Use this puzzle as a brain teaser and crack the code with a mix of slow knob twists and carefully listening to tumbler movements that will open the lock.