The Lego Group world's largest toy company by revenue, with sales amounting to US$2.1 billion, surpassing Mattel, which had US$1.9 billion in sales. On 11 August 2017, Lego announced that Niels B. Christiansen would become the new CEO, effective 1 October of the same year. The history of Lego spans nearly 100 years, beginning with the creation of small wooden playthings during the early 20th century. Manufacturing of plastic Lego bricks began in Denmark in 1947, but since has grown to include factories throughout the world. In 1961, Lego was managed by Samsonite until 1972 in the United States and 1986 in Canada.
Lego Modular Buildings Lego Modular Buildings Modular Buildings is a series of Lego building toy sets introduced in 2007. Created in response to feedback and suggestions from the Adult Fans of Lego (AFOL), and the Teen Fans of Lego (TFOL) community, the sets in this series are generally intended for more advanced builders with most sets containing more than 2,000 total pieces and making use of unorthodox building techniques which have not been tried before in official Lego sets. In contrast to most LEGO sets which are aimed at children and adolescents, the suggested age of most sets in the Modular Buildings series