For the final few days in South Africa, the kids head north to the diamond-mining capital of Africa, Kimberley. The kids cannot believe it when they start work at the world-famous De Beers diamond-processing plant and actually get to touch real diamonds.

The kids fly to South Africa and to the country's beautiful surfing centre of Jeffreys Bay. They are working with a major surfing and skateboarding brand and immediately start the tricky job of building skateboards.

The kids travel to the countryside to work on a pineapple farm.

The kids are in Accra, the capital of Ghana, to work on a toxic e-waste site.

Five British children work in a cocoa plantation in Ghana.