Tractor with Tracks and Sow and Grow. Tractor Ted meets some amazing tractors with huge caterpillar tracks in 'Tractors with Tracks' whilst 'Sow and Grow' introduces young children to the machines used to plant and harvest potatoes. Build a Tractor and Lambing Time. See inside a factory to see how a tractor is built with 'Build a Tractor' whilst Fudge takes the children to see the cute baby lambs being born in 'Lambing Time'.