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Big Bang Apt Extension

Made by: Scroll down to Vendor Info Tab
(1 customer review)


Extension of Modular MOC Friends Apartment

Instructions only; no physical bricks

You are buying digital instructions and parts list, no bricks are included in this order.
Need help buying your LEGO bricks? Check out this video!
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If you have not seen our guides on creating wanted lists on Bricklink we advise you check this out first.

How to create a wanted list on Bricklink using an xml file
How to create a wanted list on Bricklink using an io file

If you have any questions please do not hesitate to contact our support team who will gladly assist at [email protected]
Product Description (And More Tabs)


The Big Bang Apartment extension is a modification of the official set 21302 and is designed to be compatible with MOC Friends Apartment from the same designer LEGO Artisan.  It consists of 1028 pieces, of which 594 are extra parts that need to be collected aside from set 21302.

The layout is not accurate to the TV show. Rather, it’s been modified to fit the layout of the MOC Friends Apartment for a seamless incorporation as an intermediate floor between Central Perk and Joey’s apartment.

Before purchasing this MOC, it is advisable to look into the Friends Apartment MOC first. Once purchased, the builder will have access to the following:

PDF instructions

XML file for the complete parts list

XML file for additional parts list

PDF screenshot of additional parts list

Powerpoint guide to upload additional parts list to


Note: the instructions for the Friends Apartment is sold separately.



18-Jul-21: updated additional parts list to include 3pcs white 1x4x6 door frames

30-Jul-21: updated step 200 (page 127)

1 review for Big Bang Apt Extension

  1. jamieballantine84 (verified owner)

    Looking forward to the build! Bazinga

    (1) (0)
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Vendor Information

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