This kit is ideal for teaching students how to make measurements in the metric system and then apply those measurements to determine density using the formula Density = Mass/Volume. Includes metric ruler, aluminum bar 76 x 25 x 6mm, aluminum cubes 13mm (2), steel sphere 13mm and glass sphere 13mm. Includes activity guide. Additional Info: Density kit Package Size(L x W x H): 7 X 1 X 1 (IN) Categories: Physics, Matter HTS Code: 7326.90.8588 Country Of Origin: INDIA