While Farmer Dougal sleeps, Sheep and his animal friends board the tractor and take turns making noises. 'Baaaaaaa!' goes the engine. The tractor jiggles, 'Purrrrrrrrrr!' And goes down the lane. 'Gobble, Gobble!' The wheels go 'Squeak! Squeak! Squeak!' 'Honk! Honk! Honk!' sounds the horn. The engine goes faster. 'Mooooooooo!'.