WOODEN CITY 3D Puzzle Steampunk Wall Clock 269 Pieces

3D puzzle set to create stunning functional steampunk pendulum wall clocks that will look beautiful on your wall. Assemble all the parts and mechanisms together and watch them work. When you are done, science and art merge into a unique decorative piece. WOODEN CITY Steampunk wall clock is an unusual gift for lovers of beauty and surprises. The clockwork accuracy can be adjusted using the plumb bob. Run time after winding is up to 12 hours. Difficulty: 4 out of 5 (according to Wooden City) Approximate assembly time: 5 hours WOODEN CITY wooden 3D puzzles are finely detailed, functional mechanical models that assemble without glue or tools. They are made from eco-friendly wooden materials—high-quality birch plywood. With WOODEN CITY mechanical wooden puzzles, you will enjoy hours of fun assembling and get an up-close look at gears, rubber band motors, cogwheels, and other components. - Functional mechanical model - Assembly without glue or tools - High-quality workmanship from natural material - Elaborate details - Pictured instructions - STEM—an educational concept that leverages the interconnectedness of four fields: Science, Technology, Engineering, and Mathematics WARNING: A snap-off knife, scissors, sandpaper, and a wax candle are required for assembly (not included). For correct operation and smooth performance, the gears need to be waxed. Dimensions of assembled puzzle approx. 36.4 × 70.8 × 9.6 cm