.Wood environmental protection and health, laser cutting technology .Every corner and surface are finely polished and polished to ensure no sharp points and no burrs .There is no need to use glue to assemble the product, you need to carefully eject the wood chips to prevent damage .Don’t rush to install anything by force, patiently follow the assembly steps to install it. After assembly, it can be used as a model or as a desk clock. .Silent and no ticking, providing a good environment for sleep, study and work .Elegant clock, you can decorate your living room, meeting room, office, study and bedroom, etc. .It is also a good gift for birthdays, Christmas and business .(You need to prepare1 x AA carbon battery); We do not recommend using high-load batteries .Assembly parts: 28Pcs, assembly size: 35 x 35 x 5.1cm, through assembly can exercise childrens hand-eye coordination ability, hands-on ability, spatial cognitive ability and thinking ability .Suitable for children or adults over 8 years oldSpecifications: .Color: Oak Color .Material: MDF .Product Dimensions: 35 x 35 x 5.1cm .Product Weight: 722g .Package Dimensions: 36.4 x 35.7 x 5.1cm .Package Weight: 1200g .Packing: Plastic Sealed Package Content: .1Set x Clock Model .1 x Instruction Book