When a mammoth stampede ruins the village, the islanders try to build decent roads, using large boulders. Topics covered: inclined planes, wedges.

To win a 'heaviest mammoth' competition, the islanders build makeshift scales of logs and rocks to weigh them. Topics covered: levers.

The mammoths need their monthly washing, but the islanders cannot persuade them to bathe, until the Inventor suggests the use of winches and wheels. Topics covered: wheels and axles.

Saddened by the failure of the previous year's event, Olive endeavours to ensure that Mammoth Island's annual funfair is filled with exciting attractions. Topics covered: belts and gears.

In a slight parody of the Chaucer story of the same name, the islanders and a visiting knight attempt to rescue Brenda from the top of an observation tower. Topics covered: screws.