This is a basic memory experiment to see if you would make a good witness.

You will need: magazines; scissors

1. Find a variety of different magazines and cut out pictures of different people's faces (try to make these of a similar size) - ensure the faces are whole, including mouth, nose, eyes, face and hair.

2. Cut each face up into the separate facial features and mix these up.

3. Ask your friend to make a face out of these bits and pieces, then take 10 seconds to try remembering it.

4. Replace the chosen facial pieces back amongst the pile of other nose, mouths and eyes etc. Now try to remake the same picture your friend showed you.

5. To help encourage interest, teachers may even wish to hold a small tournament of who can make the most accurate composites (the term used to describe this method of piecing together a suspect's face).