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 Ninjago in one or two waves across a given year. In 2012, the "Fire Temple" set (#2507) was awarded 'Activity Toy of the Year' title at the 12th Annual Toy of the Year Awards, which is held at the American International Toy Fair in New York City. Various other sets have been released, including a board game from the Lego Games theme along with a number of associated buildable battle game toys. These all involve placing a Lego Minifigure on either a spinning or flying disk. The first generation of these was released in 2011—12, and incorporated a two-player battle game,