Review for LEGO set Series 1 Complete Set from Brickipedia
“LEGO initially underestimated the demand that these minifigures would create, particularly in the United States. While stocks were often plentiful in European stores, the minifigures were in extremely limited supply in other territories and shops would often sell out their... More small allotments within a day. Later series' redressed this issue, but Series 1 remains a highly sought-after item because of these problems.”
Full review at brickipedia.fandom.com