LW was a Russian manufacturer, out of production nowadays. It’s not specially famous by their quality either by not always produce 100% original contents, but some of their references are still interesting. The initial series, bagged sets, code numbers from 0 to 51 are very hard to find. The boxed series, codes 2004 to 2027 are equally hard to find, but bit more available. Their sets are many times equals to Evolution ones.