Monkeys are weighed then do a few tricks for the camera.
"Bobby is frequently weighed and found wanting."
C/U of a gorilla being weighed. Gorilla is handed something to eat to stop him fiddling with the scales. "Toto is a close second in the curiosity line." Another monkey is weighed - this time a chimpanzee.
"And both of them are top of the Zoo in the gentle art of Balancing - whether on cycles or anything that rolls." Chimpanzee rides a small bike inside its zoo cage. Another monkey moves around the cage on top of a large ball.
Was an item in Eve's Film Review issue number 544.