Feature:1. Pendulum clock metal structure assembly model, the main material is aluminum alloy with anodized surface.2. The product structure is a real industrial structure, using various tools to assemble parts, and the installation steps and methods basically meet the actual industrial requirements.3. Helps to improve the user's handson ability and concentration, and helps users understand various industrial machines and industrial structures.4. The entire steam engine is made of metal, using CNC accuracy casting process, aluminum alloy oxidized, gorgeous appearance.5. With exquisite packaging, it can be a gift for friends, children, colleagues or family.Specification:Item Type: TECHING Pendulum Clock Building KitProduct Model: DM35Main Material: Anodized aluminum + stainless steelProcess: AnodizingProduct Size: Approx. 128 x 51 x 190mm / 5 x 2 x 7.5inNumber of Parts: 106PcsWorking Time/cycle: 5~10 minutesAssembly Time: About 40 minutesDifficulty of Assembly: Level Suitable Age: 14 years old and aboveProduct Standard: GB/T9254-2008GB/T17626.2-2006Quality Level: AHow to Use: Complex assembly, follow the instructions to guide the assembly.Package List:1 x Pendulum Clock Set(106pcs) 1 x User Manual Note:Please kindly note that this product needs to be assembled by yourself.