Titles read: "Can you believe your eyes? [superimposed over C/U of a woman's eyes - she winks at us.] Perhaps our tame lecturer will convince you that you can't."
Film probably originates from United States of America.
In animated / stop-motion footage we see several optical illusions...
Guess the everyday sounds before the film of the action is shown.
A little quiz asks us to guess what different sounds are, played over a blank screen.
Guessing game quiz which involves everyday sounds being played over a blank screen.
A quiz asks us to guess what different sounds are, played over intertitles.
Another edition of the quiz where we have to guess a sound played over a blank screen.
Mystery noises are played against a black screen - the source of the sound is then revealed.
We are invited to guess sounds of everyday tasks that have been largely amplified.