Lego sets aren’t just for kids–and they certainly don’t come at kid prices. I’ve gazed longingly at the “Death Star” and “Imperial Shuttle” kits, the “Mindstorms NXT 2.0,” the adorable “Hogwarts Castle,” and even “The Black Pearl.” But for the combined price of those sets, you could make a mortgage payment.

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In fact, every time my husband and I see a Lego display, we comment on how they’re so cool, but so darn expensive. And everyone we knew had piles of them when we were kids–it doesn’t seem like our parents would have bought them at these crazy prices! I decided to compare the inflation-adjusted prices of Lego sets over the years to see how big the difference was.

As it turns out, after going up in the 70’s and 80’s, the average price per brick has actually been trending down. I sampled the prices of sets through the years as listed on brickset.com from across themes and set sizes. To try to make it an apples-to-apples comparison, I excluded minifigs by themselves, accessories, promotional items, games, or anything that required batteries, as well as Mindstorms, Duplo, and non-brick items. Here’s how the data graphs:

One factor that is not accounted for here, which is harder to track, is price/weight. Many people believe (and have observed in their own purchases) that price-by-weight is more consistent than price/brick (i.e., is that a set with 10 2×4 bricks or 10 4×6 bricks?). Prices in any given year are also subject to the changes in oil prices, which may be the biggest factor influencing brick price in the coming years…

I have two theories about the cause of the apparent-but-imagined price increases (feel free to chime in with your ideas in the comments). Initially, I thought that licensing costs for names like Harry Potter and Pirates of the Caribbean were driving the prices up–but the licensed sets don’t seem to be any more expensive per brick than other sets. This lead me to my first theory–that these sets seem more expensive because they contain a lot more bricks than sets did when I was a kid. For example, the $399.99 “Super Star Destroyer” contains 3,152 pieces! In comparison, 1975’s “London Bus” had 110 pieces and sold for $49–after adjusting for inflation, that is an appalling $1.87/brick!

My second theory is that, in my childhood memories, I am actually recalling the products of Lego competitors. We had both Lego and non-Lego brand bricks in our house. (Woe be to the kid who tried to stick the two types together: they never come apart.) One of my favorite sets was the Papa Smurf Loc Blocs set (even if one forum poster I came across calls Loc Blocks, “Legos for kids whose parents hated them.”).

On the up side, the bricks are nearly indestructible (as opposed to your feet, should you step on a stray brick in the dark). This means that the old Lego box languishing in your parents’ garage is just waiting to find a new home in your kid’s room, with 100% of the joy that you had the first time around, for absolutely free.

For tons more Lego brick price data, read more below.



Price data

The following tables sample across the price ranges for specific themed sets, based on the data available at brickset.com

Star Wars

Average price/piece: $0.143

Name Year Price Pieces Minifigs Inflation adjusted price Price/piece Droid Fighter (Ep I) 1999 $6.00 62 0 $8.15 $0.13 Snowspeeder (Ep IV-VI) 1999 $20.00 215 3 $27.18 $0.13 X-Wing Fighter (IV-VI) 1999 $30.00 266 4 $40.77 $0.15 X-Wing Fighter (re-release oromff 1999) 2002 $30.00 267 4 $37.76 $0.14 Mos Espa Podrace (Ep I) 1999 $90.00 896 7 $122.32 $0.14 Naboo Starfighter 2011 $49.99 318 6 $49.99 $0.16 Hoth Echo Base 2011 $89.99 773 8 $89.99 $0.12 Genosian Starfighter 2011 $29.99 155 3 $29.99 $0.19 Super Star Destroyer 2011 $399.99 3152 5 $399.99 $0.13

Castle

Average price/piece: $0.183

Name Year Price Pieces Minifigs Inflation adjusted price Price/piece Escape from the Dragon’s Prison 2011 $19.99 185 4 $19.99 $0.11 King’s Castle 2011 $99.99 933 8 $99.99 $0.11 Prison Carriage Rescue 2011 $9.99 50 3 $9.99 $0.20 Wizard 2011 $3.99 19 1 $3.99 $0.21 Magic Shop 1993 $4.50 47 1 $7.05 $0.15 Medieval Knights 1993 $6.75 41 4 $10.58 $0.26 Black Knight’s Castle 1992 $85.00 588 12 $137.18 $0.23 Knight’s Joust 1981 $16.00 211 6 $39.85 $0.19

Town/City

Average price/piece: $0.156

Name Year Price Pieces Minifigs Inflation adjusted price Price/piece Pet Shop 2011 $149.99 2032 4 $149.99 $0.07 City Airport (re-release of Century Skyway) 2004 $90.00 928 12 $107.88 $0.12 Century Skyway 1994 $109.00 894 12 $166.53 $0.19 Mobile Outpost 2000 $30.00 218 2 $39.45 $0.18 Jet Airliner 1985 $12.75 136 2 $26.83 $0.20 Delivery Center 1985 $25.50 305 4 $53.66 $0.18

Space

Average price/piece: $0.176

Name Year Price Pieces Minifigs Inflation adjusted price Price/piece Alien Striker 2011 $4.99 42 2 $4.99 $0.12 Mini-Robot 2008 $3.49 24 2 $3.67 $0.15 Alien Fossilizer 1996 $6.00 53 1 $8.66 $0.16 Cosmic Cruiser 1982 $11.00 115 1 $25.81 $0.22 Space Cruiser 1978 $10.00 170 2 $34.73 $0.20 Surface Explorer 1982 $7.50 82 1 $17.60 $0.21

Pricier sets overall

The sets in the following table are the most expensive sets published in a given year, every five years, until the earlier years, at which point I found less price data was available. Some years may have had more expensive sets, but this is based on the data available at brickset.com. Price/piece does not include minifigs, but the included minifig count is noted.

Name Year Price Pieces Minifigs Inflation adjusted price Price/piece Super Star Destroyer 2011 $399.99 3152 5 $399.99 $0.13 Mercedes Benz Unimog U 400 2011 $199.99 2048 0 $199.99 $0.10 Robie House 2011 $199.99 2276 0 $199.99 $0.09 Cargo Train Deluxe 2006 $149.99 856 5 $168.48 $0.20 Ferrari F1 Racer 2006 $139.99 1246 0 $157.23 $0.13 Tow Truck 2006 $119.99 1877 0 $134.76 $0.07 Rebel Blockade Runner 2001 $200.00 1747 0 $255.70 $0.15 Darth Maul 2001 $150.00 1868 0 $191.77 $0.10 Metroliner (rerelease) 2001 $149.00 782 11 $190.50 $0.24 Space Shuttle 1996 $158.00 1368 0 $228.01 $0.17 Freight and Crane Railway 1996 $140.00 914 3 $202.03 $0.22 Giant Truck 1996 $139.00 1757 0 $200.59 $0.11 Metroliner 1991 $149.00 784 11 $247.70 $0.32 Rock Island Refuge 1991 $66.00 381 7 $109.72 $0.29 Intercoastal Seaport 1991 $63.75 545 5 $105.98 $0.19 Black Falcon’s Fortress 1986 $35.00 430 6 $72.31 $0.17 Flour Mill and Shop 1986 $26.75 73 2 $55.26 $0.76 Riding Stable 1986 $26.00 275 2 $53.71 $0.20 Castle 1981 $48.00 767 14 $119.56 $0.16 Basic Building Set, 5+ 1981 $38.00 384 2 $94.65 $0.25 Public Works Center 1981 $30.00 421 4 $74.73 $0.18 Building Set, 6+ 1977 $40.00 467 3 $149.45 $0.32 London Bus 1975 $49.00 110 0 $206.22 $1.87 Basic Set #8 1973 $19.00 776 0 $96.89 $0.12 Tipper Truck 1971 $14.00 48 0 $78.27 $1.63

Inexpensive sets

The sets in the following table are the least expensive sets published in a given year, every five years, until the earlier years, at which point I found less price data was available. Some years may have had less expensive sets, but this is based on the data available at brickset.com. Price/piece does not include minifigs, but the included minifig count is noted.