669Pcs+ DIY Metal Engineering Cement Mixer Truck Assembly ModelFeatures:.Engineering cement truck is an indispensable part of the engineering process to provide concrete..Equipped with mechanical transmission which can drive cement silo to rotate 360° while driving the engineering cement truck..There are 669pcs in total with C level difficulty. Please keep them away from infants for not being hurt. Age: 6+.Made from high-quality metal in precision casting molding. It is no need of glue but screw. After assembled it is a toy which evokes immersive fun..It it an ideal gift for you friends and children and it can also be a collection and decoration. It can not only exercise children’s operate ability and creativity, but also will bring a wonderful weekend for parents and children.Specifications:.Material: Stainless Steel.Product Dimensions: 22.5 x 9.7 x 13.1cm.Product Weight: 638g.Package Dimensions: 36 x 23 x 3.8cm.Package Weight: 700g.Packing: Box