LEGO begann 1932 with the walking figures, simple cars and trucks. Later in the 1930's with rattle cubes, the Yoyo and the first pulltoys like the famous quack duck.
In the 1950's the wood toys became more extensive. The highlights in this era are for sure the pulltoy quack duck, the different famer toys with the different tractor models and the different firetrucks.
The famous pulltoy quack duck were produced over all years up to the late 1950's when wood producton were surced out to Bilofix.