Grandma’s Windmills: and Wild Worms

‘Grandma's Windmills’ introduces young children to wind power as a source of energy. All Jake wants to buy at the showground is a plastic windmill but there are none for sale. So his Grandma takes him on a hunt for real windmills.
Worms are good for the environment and help to dispose of waste. In ‘Wild Worms’, Grandad has a worm farm and every day Simon helps to feed the worms. But when the worms grow too big and numerous, Grandad has a major problem. Fact and fantasy collide to resolve the problem.