
You may have already read about Father Bob Simon, the Pennsylvania priest who spent nearly a year building a 14′ long Lego replica of St. Peter’s Basilica and its famous piazza out of half a million Lego components. The story is heartwarming and the resulting model is amazing, but there have been few details about the build itself, and there have been some inaccuracies in the reporting.

We reached out to Father Simon, and even in the midst of the Pope’s pending arrival in Philadelphia, he was kind enough to take the time to share some of his thoughts on the build and a few work in progress photos.
One of the things that’s been widely reported is that he spent between $30,000-$50,000 on the components. “Those numbers are ridiculous,” he says. “I only make $23,000 a year! The project cost me between $7,000 and $10,000.”
Father Simon was able to keep the cost down by shopping sales, buying in bulk, and buying sets. “I began by buying white bricks at Pick-A-Brick walls in Lego stores,” he says. “This is one of the most economical ways to buy Lego, especially small bricks. I used 44,000 1×1 round tiles for the cobblestones. I think 3 or 4 large cups that sell for $15.99 can hold about 20,000 tiles. I ended up buying 20,000 more of these on BrickLink.com for .01 each. I also bought about 7 or 8 Architecture Studio sets, since they contain a variety of white bricks.”
Often, when rendering an ambitious Lego build of an iconic structure like this, the real skill comes in how one creatively cannibalizes existing building sets and improvises existing Lego components to create the needed architectural elements. For a project this big, of a structure this iconic and well-known, it took some real creative thinking and clever reuse of components.
Father Simon premiered his Lego Vatican at the 2015 BrickFair convention in Virginia. This video interview with Simon, by Matthew Kay and Joshua Hanlon of BrickPodcast.com, offers a good overview of the project, some details of the construction, and how the massive model breaks down for transport.
Here are a few of the more clever features of the build:







Father Simon spent two years leading up to actual construction planning the build and collecting the components. He got many of them from online providers, especially BrickLink. “You couldn’t do a project like this without BrickLink,” he says. “Without this source for buying exactly what you need at a reasonable price, the cost would be exorbitant.”
The Lego Vatican is currently on display at the Franklin Institute in Philadelphia. Father Simon’s model is part of the museum’s Vatican Splendors exhibit, showcasing significant artifacts from the history of the Catholic Church. Pope Francis is scheduled to visit Philadelphia, to take part in the World Meeting of Families, on Sept 26 and Sept 27. Sadly, there are no plans for him to visit the exhibit to see Father Simon’s incredible creation.
For Lego enthusiasts, it’s always fun to look at a project like this, to scrutinize photos, to try and identify the components used and where they came from. Take a look at the gallery below. What pieces can you ID? Post what you find in the comments.
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