These oversized blocks demonstrate the density of four different materials - aluminum, brass, steel, and copper. Each cube is 3.2cm and has a hook. Includes a reference table showing density values of individual specimens. Additional Info: These oversized blocks demonstrate the density of four different materials - aluminum, brass, steel, and copper. Each cube is 3.2cm and has a hook. Includes a reference table showing density values of individual specimens. Package Size(L x W x H): 3 X 3 X 2.5 (IN) Categories: Matter, Density HTS Code: 9023.00.0000 UNSPSC: 6.01e+007 Country Of Origin: INDIA