Lego is a line of building toys manufactured by the Lego Group, a privately held company based in Denmark. Its flagship product, commonly referred to as Lego bricks, consists of colorful interlocking plastic bricks and an accompanying array of gears, minifigures (also called minifigs by Lego fans), and various other parts. There are other Lego pieces which can be assembled and connected in many ways, such as cars, trucks, planes, trains, buildings, castles, sculptures, ships, spaceships, and even working robots.