© Crown Copyright. Provided by Arts College Limited. Three Great Lesson Ideas for primary science pupils on electricity. Deputy, Tony Davies, at Minsterley Primary School, demonstrates electricity is instant in a role-play activity with a skipping rope circuit. Tony is the battery and a pupil is the buzzer. He also uses an electric ping-pong ball that lights up and buzzes when a circuit is completed. At Cottenham Primary, teacher Lucy Blackmore challenges her Year 5s to design and create electrical circuit games. David Aston’s Year 5/6 class play a 'yes, no' game, guessing which electrical component is hidden in a box.