Siku is a German toy manufacturer. It belongs to the German company Sieper GmbH, which produces toy cars and other vehicles. Siku models are of high quality and detail. The headquarters of the company is located in the German city of Lüdenscheid, and production facilities, in addition to Germany, are located in Poland and China. In total Sieper GmbH employs about 650 people . The company's turnover is 52.5 million euros . The main genre of toys: agricultural machinery (tractors, seeders, combines), construction machinery (bulldozers, graders, rollers, excavators), utility vehicles (garbage trucks, fire trucks, delivery vans), urban transport (buses, trams).