Note: Probably filmed in the Pathe studio.
Item about the history of puzzles, from crossword to locks.
M/S of a simple wire puzzle. L/s of someone doing a jigsaw puzzle. The commentator explains that puzzles are good because "They Make You Think". M/S of an old Egyptian wooden lock and old metal locks. C/U's of several newspaper crossword puzzles. Diagrammatic shots of the crossword predecessor the crossword square.
Still photograph of people in a country park. The commentator asks if you can spot the hidden face. The photo flips around 180 degrees to reveal a face in the trees. Various shots of how to complete a permutation puzzle including the mathematical equation to show how it is achieved. The commentator says ".. and talking of puzzles.." M/S of an income tax form !