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X-37B Orbital Test Vehicle

X-37B Orbital Test Vehicle


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This is a digital download and NOT a physical product!

This small model is a 1:110 scale recreation of Boeing's X-37B Orbital Test Vehicle. The model consists of just 28 pieces that cost around $3 to buy (see the "How to buy the bricks" guide below).

Click on the name of the rocket to build the compatible Atlas V 501 model that launched five of the X-37B missions, as well as the Falcon 9 and Falcon Heavy models that have launched one mission each so far.

The X-37B is a reusable robotic spacecraft built by Boeing and operated by the US Air Force. It has been launched 7 times to date, with its first orbital mission launching in April 2010 on an Atlas V. It has also launched once each on a Falcon 9 and Falcon Heavy.

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Product specifications

This default model contains 28 pieces, costing approximately $3 (prices on Bricklink vary depending on region and current parts availability), see the buying guide in the section below.


3,5 cm x 7 cm x 3 cm
1.5 in x 3 in x 1 in

How to buy the bricks

I recommend buying the pieces required for the model through, which is the largest online marketplace for LEGO® parts sellers.

There are other alternatives, like the official LEGO® Pick a Brick site, but they rarely have all the required pieces and it's often more expensive there.

The process to buy from Bricklink is easier than it seems, and is explained thoroughly in this step-by-step guide to help you:

  1. After buying the product, you need to download and open the text file named "X-37B part list".
  2. Next go to and create an account, it's very easy to set up.
  3. Hover over the "Want" tab in the top right corner and click "Upload" or follow this LINK.
  4. Click on the right "Upload BrickLink XML format" tab and copy and paste the text from your chosen parts list to the text box. You can "Add to" the default wanted list or a new one it from future orders. Either way, upload all the current part lists to the same wanted list to order all the pieces at the same time. Then click the blue "Proceed to verify items" button.
    Repeat step 4-5 for each part list you want to order.
  5. Optional step if you only want new pieces and as a consequence pay a little bit more: Select all the pieces and change their "Condition" to "New" (needs to be repeated for each page). The default option gives you a price around the estimate and will include both new and used bricks.
  6. Next click the green "Buy All" button and then adjust the settings to your preference. For lower shipping costs, I recommend beginning by choosing your region/country first and only change it if the pieces aren't available there.
  7. Once that's done, click the blue "Auto-select" button, uncheck the box in the pop-up and click "Start".
  8. This will give you a list of stores whose orders together will include all of the pieces in your wanted list. Confirm that all the pieces are included by clicking the "Wanted Items" tab to the left and control that there aren't any pieces left there.
  9. If you are happy with the selection and price, click "Create carts", followed by "Checkout" for each individual store and buy the pieces!
    (If you are not happy with the price or if you're missing any pieces, you can click "Remove All" and redo the auto-selection with different settings)

If you're having any issues with ordering your pieces, don't hesitate to send us a message through the "Contact us" tab in the menu and we'll do out best to help!

Change log

2024-02-12 The part list was updated to work with the changed BrickLink part numbers and their format was changed to BSX-files to simplify the upload process to BrickLink.

The instructions have also received a visual update with new front and back covers.

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