designs could be built - to mature. Much work was needed to improve the design to give better locking ability but gradually the concept became reality and 1958 saw the emergence of the patented basic brick design with which we are still familiar.
By 1959 the company had stopped making wooden toys and concentrated solely on plastic bricks and related products.
A series of product, process and market innovations - adding wheels, figures, targeting and segmenting different markets, switching from cellulose acetate to acrylonitrile butadiene
to mature