A kit to show how different mixtures of materials can be separated. It will allow children to understand terms such as evaporate filter insoluble and dissolve.The kit contains:5kg sand1kg salt (sodium chloride)1kg rock salt10 x 100cm³ plastic beakers10 plastic stirrers10 filter funnels1 pack of 100 filter papers 12.5cm1 pestle and mortar15 petri dishesWorksheets to copy