Many people in Sierra Leone use a wood-stove to prepare their meals. Mister Njai traveled to Kenya 19 years ago where he saw ways to cook more economical. When he returned home he came up with a stove that needs less wood: the 'Wonder Stove'.
According to Njai his stove has many advantages such as the reduction of deforestation, faster cooking and less smoke production. Although many companies has copied his idea, the stove is a big success.