UGEARS Wooden Treasure Box with Key (Secret Hidden Puzzle) DIY Model Wood Storage 3D Mechanical Puzzle Self Assembly Kits for Adults to Build

Victorian-Style Puzzle Box: Solve the mystery of this 5.6" wooden box 3D puzzles adult featuring delicate through-carved design, hidden gear mechanisms and traditional step-by-step puzzle elements Secret Key Mechanism & Dual Lock System: Discover the embedded key in the carved lid, then master clockwise/counter-clockwise sequences to reveal hidden compartment in wooden models to build adults Jewelry Storage Solution: Store precious items and small treasures in the secure compartment of wooden puzzle model kit while enjoying the beauty of visible working gears through intricate design Premium Wood Construction: Experience wood aroma during assembly of adult puzzles kit featuring patented plywood joints requiring no glue or special tools; great as hobbies for adults women and men Perfect Puzzle Boxes 3-D Puzzles Gift: Ideal present for Victorian era lovers, brain teaser fans, jewelry collectors for Birthday, Christmas, Fathers Day, Mothers Day or any holiday wooden gifts, Manufacturer: UGEARS