Timeline: Construction sets by decade

What construction toy sets were available to children by decade in the 20th century ?

When were they presented to the public ?

This is by no means a complete list.

1880s
     1880 - Anchor Stone Blocks

1900s
     1900s - Unit Blocks (Traditional wood blocks)
     1901 - Meccano

1910s
     1913 - Erector Sets
     1914 - Tinker Toys
     1918 - Lincoln Logs

1920s
     1920 - Buddy L (Pressed Metal vehicles)
     1921 - Structo pressed metal vehicles

1930s
     1930 - Krazy Ikes
     1931 - Trix model construction sets
     1934 - Bayko Building Blocks
     1934 - Stanlo Construction Toy (Metal Construction toy)
     1935 - Minibrix
     1936 - Nylint Toys (Pressed Metal vehicles)

1940s
     1940s - American Bricks (Halsam)
     1946 - Mound Metalcraft (Became Tonka in 1955)
     1949 - Lego

1950s
     1950s - Skyline (Halsam)
     1950s - Girder and Panel (Kenner)
     1952 - FAC-System (Metal rod construction kit)
     1955 - Play-Doh
     1959 - Arkitex (Girder and Panel style plastic building toy)

1960s
     1960 - Bilofix (wooden erector type set)
     1962 - Kenner Flintstone Blocks
     1964 - Fischertechnik
     1967 - Super City (Ideal)
     1968 - Tog'l Blocks
     1969 - Duplo
     1969 - Stickle Bricks

1970s
     1970s - Loc Blocs

1980s
     1980s - Capsela
     1980s - Pipeworks (Playskool)
     1983 - Construx
     1984 - Mega Bloks
     1984 - Robitix
     1987 - Kapla

1990s
     1992 - Steel Tec
     1993 - K'Nex
     1995 - Rokenbok

2000s
     2000s - Keva Planks
     2000s - Magnetix
     2006 - Konstruk-Tubes
     2008 - Nanoblocks
     2012 - Goldie Blox