This unique kit allows for a wide range of basic investigations, addressing the concepts of mass, volume, density and specific gravity and extending to an exploration of buoyancy. Contents: * 1 set of equal volume metal cylinders – aluminum, copper, steel * 1 set of equal mass metal cylinders – aluminum, copper, steel * 1 measuring cylinder, 100ml * 1 spring scale, 2.5N/250g * 1 vernier caliper, stainless steel