How much does the biggest Lego set ever cost?

Picture from the Verge. Click to see the story. Note: This is a remake of our 2014 "How Much Does a Lego Cost" activity 

 How much could the Lego Millennium Falcon cost? Student first make a guess and then think about what information would be useful in order to determine the actual cost. Then they use a random sample of Lego products to help figure the cost of this massive Star Wars kit.  Students might take an average cost per block from the sample and proportionately extend that to the number of blocks in this kit. Older students might make a scatter plot of the data and determine a line of best fit that models the cost of a kit for any number of bricks.  Students might use their model to find the cost or number of blocks in other kits. Finally, reveal the actual price at the Lego store.  Did students predict the actual cost?  If not, what might have accounted for the price difference?

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