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 Ninja Lego Ninja Ninja was a theme and product range of the construction toy Lego. Launched in 1998, the collection was its own theme. It had many elements of the ninja warriors from feudal Japan. The majority of the sets were released in 1998 and 1999, with only three small sets of minifigures released in 2000 as part of the ‘Mini Heroes Collection’. After this, the theme was discontinued, and was effectively replaced by the “Knights Castle” theme from 2000 on-wards. In 2011 Lego decided to release a new line called Lego Ninjago Masters of Spinjitzu, which uses elements from the