An interesting post over at WIRED about why LEGO sets are so expensive. There’s even a general and unofficial formula for LEGO set pricing. It’s about 10-cents per piece times the # of pieces in a set, plus about $6 USD.
So for a LEGO set with 150 pieces, that comes out to be roughly $21-22.
ALSO: The plural of LEGO is LEGO. No ‘S’.