I'm quite interested in finding a factory that can produce a small-ish run of high-quality plastic bricks that I can use in my classes and possible to re-sell as stand-alone kits. I only need a few ...
It’s rather obvious that Lego bricks are made from plastic, but there are many kinds of plastic. Is the recipe for LEGO bricks plastic secret?
There are several colors of transparent, fluorescent Lego bricks. In particular, "trans neon yellow" and "trans neon orange", introduced in the early 1990s, exist in a variety of specialized shapes ...
My vintage LEGO sets (circa 1980) are difficult to unbuild. Some pieces are prone to break. Did the plastic recipe change with time or are the bricks simply degrading?