About LEGO Classic Supplemental
Starting in the 1950s LEGO began individual parts sales, a practice that began with the Ferguson Tracktor in 1951. LEGO would supply dealers with wooden parts boxes and refill packs. These individual part sales would continue, at least in some markets, into the late 1950’s.
1963 LEGO Sets
1963 was pivotal for material and design innovation. LEGO completed its transition from cellulose acetate to acrylonitrile butadiene styrene (ABS), improving color stability, durability, and clutch power. The company also launched Modulex—a smaller, precision-scaled building system for architects—produced by the new subsidiary Modulex A/S. Modulex elements were based on a 5mm grid and designed for 1:20 scale modeling, expanding LEGO’s presence into professional design and planning.