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For determining the volume or density of solid bodies, frictional force, mechanical work, stability, buoyancy, Archimedes' principle and the specific heat of solid materials; Aluminium cuboid, with the same volume as the iron SE cuboid and the same mass as the small iron SE cuboid, with hook, a ‘’simple measure‘’ makes it easy to calculate the volume even for pupils of a younger age Material: aluminiumDimensions: 20 x 20 x 50 mmMass: approx. 55 g