Festival cars at Battersea Park, London.
M/S woman gets into seat, man starts to strap her in. C/U girl strapping herself in. M/S girl in car. C/U man talking. M/S man starting machine. C/U foot pressing pedals. M/S Cars swaying backwards and forwards. One turns over. camera follows. C/U boss (Bill Thompson) looking. M/S Cars in action, camera follows. M/S Cars in action, camera follows. Crowd watching. Cars in action, camera on machine. C/U mechanism pan up to wheel turning. C/U tyres. C/U wheel revolving underneath. cars swaying and turning over. C/U boss smiling. M/S cars turning over and over. L/S drum revolving.