A complete class kit containing all the equipment required to show how the human digestion system works. The kit enables students to practically demonstrate how food moves through the digestive system from the mouth to the anus. The kit is supplied with full teacher instructions and labels and work card which can be laminated in order to re-use. Some food items are required to carry out the experiment and are not included. The kit is supplied in a blue Gratnells tray and can be packed away and stored neatly. Kit Contents:. 1 x Sieve. 1 x Wooden Spoon. 1 x Messy Play Food Colouring. 1 x Glycerol (500ml). Plastic Mixing Bowl (Pack of 3). 1 x Measuring Jug.