Buy the assorted cylinders and funnels pack to help you save extra!In this pack you will receive a set of three funnels and a set of 7 cylinders.Funnels can be used to determine flow rates of sand or liquids or for simple transfer from one container to another. The set of funnels consists of three funnels which have a diameter of:75mm 95mm120mm.The funnels are made from a flexible yet strong polythene.Cylinders can be used to measure liquids and allow easy transfer of liquids or sand from one container to another. The set of seven cylinders come in assorted sizes ranging from 10ml to 1000ml.