They viewed transverse leaf and stem sections of dicotyledonous plants. They then attempted to draw what they saw, using their mobile phones to photograph the images to make their observations easier.

Biological drawing is a skill in itself, as it involves selecting the most relevant details to show different types of tissue for example.

They were able to identify the xylem and phloem tissue in the vascular bundles as well as the general structure of the leaf for example.