This post is Chad Orzel's fault. It started with this tweet: Hey, @rjallain , is this consistent with your regression analysis of the Lego brick cost a while back? pic.twitter.com/RaTcP07xI1 — Chad Orzel (@orzelc) December 13, 2016 Yes, it's true that I have pondered the price of Lego bricks before, by looking up the cost and number of pieces in various sets. Here is the data, and a link to my original analysis. I arrived at a price of about 10.4 cents per piece.