COBI is a European toy company with headquarters in Warsaw, Poland. The company was founded in 1987, producing puzzles and board games. In 1992, it started producing building blocks with an interlocking stud and tube system, compatible with Lego blocks. Due to their popularity, the company switched to mostly producing building block sets. The COBI catalog is divided up by themes, with each theme having multiple brick sets. The majority of the catalog consists of 20th and 21st century military equipment, like tanks, ships, airplanes, and helicopters.
