LEGO Classic / Supplemental

Supplemental is a subtheme of Classic that consists of 140 sets that ran from 1960 to 1971. Most sets were released in 1966 which accounted for 72 sets. As of today, the average annual growth of all the sets in Classic Supplemental is around 5.9% per year. As of today, 890-2 Lockable Storage Box is the most valuable set in Classic Supplemental with an estimated new/factory sealed value of $350.33.

Most valuable LEGO Supplemental set
890-2 Lockable Storage Box - $350.33

Highest growth Supplemental set
493-2 European Flags - 45108.00%

Largest LEGO Supplemental set
521-9 1x1 and 1x2 Plates - 82 pieces

Most owned Supplemental set
995 Lighting Bricks with Color Filters

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.