In 1921 Richard Sieper founds – at the beginning of the era of inflation – a casting foundry company in Luedenscheid, the base of the Sieper GmbH today. Production of consumer goods like cutleries made of aluminium and ashtrays. Beginning of the development and production of new products made of thermo plastic synthetic material quite unknown at this time. SIKU toy models conform to the highest quality and safety requirements and ensure long-lasting, safe play and fun in the kids’ playroom. To guarantee that these requirements are satisfied, SIKU toy models are almost exclusively manufactured from zinc. This makes them robust and resilient, allowing for realistic simulation of everyday routines for road traffic, in construction and the emergency services or agriculture.