Create a colourful caterpillar, watch cress grow and eat the tasty results. Follow our simple instructions to transform eggshells and cress seeds into a caterpillar ... body that help them move around ...

Growing nutrient-dense and delicious watercress at home is easier ... Cutting: Take a cutting from an actively growing plant. A 6-inch cutting works well. Use clean, chlorine-free water.

Some seeds, such as cress seeds, will germinate and begin to grow if they are put on a damp piece of cotton wool or paper towel ... stages of a plant's lifecycle using the worksheet below.