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r/buildingblocks

A place to discuss building blocks of all brands and types. This includes LEGO, Mega Bloks, Kre-O and other brands.

Subscribers

16,033

Created

January 13, 2014

12 years ago

View on Reddit
RedPulse insight

How to think about r/buildingblocks

This community is dedicated to enthusiasts of building blocks from various brands, including LEGO, Mega Bloks, and Kre-O. Members share their creations, discuss techniques, and exchange tips on building and collecting. The focus on both official and knock-off brands sets it apart, allowing for a broad range of discussions from serious collectors to casual builders. The community fosters creativity and collaboration among fans of all ages.

Confidence 4/5

  • Audience

    Participants in this community are typically building block enthusiasts ranging from children to adults, with a strong interest in creativity and design. Many members are collectors, hobbyists, or parents sharing the joy of building with their children. The vibe is generally positive and supportive, with a focus on sharing knowledge and inspiration rather than competition.

  • Posting culture

    Content that thrives in this community includes original builds (MOCs), tutorials, and discussions about restocks or new releases. Members appreciate high-quality images and detailed descriptions of builds. Posts that are overly promotional or lack substance tend to receive downvotes. The community encourages regular engagement, with members frequently sharing their latest projects or asking for advice.

  • Brand engagement notes

    Brands should approach this community with caution, as overt promotion is often met with skepticism. Authentic engagement, such as sharing behind-the-scenes content or collaborating with popular builders, is more likely to resonate. Brands can also participate by sponsoring contests or challenges that encourage creativity. Providing value through informative content rather than direct advertising will help build trust and rapport with community members.

Top keywords

What r/buildingblocks talks about

Weighted by how often each term appears in posts and comments, relative to baseline frequency. The largest words are the strongest signals of community focus.

minifigmocsknock-offchessboardrestocks🤟peicespneumatictechnicaquiredspinnytriceratopssword;torsosfisherman's0092x6houseplant🎉🎉🔪restockinglancelotbogeyboars🤗🤗6x6👏👏trikelinkagebuildableinterlockdilemma:✈️wreathregistrationsconspicuous💯💯helmsexcepting2x8sailboatknockoffssnootyset:1x1810mickybatmobilecoolnessconstructionscobbledbluishseller's453venatorbulkiersnobsplayabilityconnedfinaly

Top contributors

Who shapes the conversation

The most active and most-upvoted posters and commenters in this community. Useful when planning outreach or studying a community's tastemakers.

Top posters

By post count

By votes

Top commenters

By comment count

By votes

Similar communities

Where this audience also spends time

Topic-adjacent communities surfaced from Reddit's own related subreddit signal.

FAQ

r/buildingblocks — frequently asked questions

Quick facts about this subreddit's size, history, focus, and related communities.

How many subscribers does r/buildingblocks have?

r/buildingblocks has approximately 16,033 subscribers as of May 27, 2026.

When was r/buildingblocks created?

r/buildingblocks was created on January 13, 2014 (12 years ago).

What is r/buildingblocks about?

This community is dedicated to enthusiasts of building blocks from various brands, including LEGO, Mega Bloks, and Kre-O. Members share their creations, discuss techniques, and exchange tips on building and collecting. The focus on both official and knock-off brands sets it apart, allowing for a broad range of discussions from serious collectors to casual builders. The commu…

What subreddits are similar to r/buildingblocks?

Communities similar to r/buildingblocks include r/lepin, r/cobiblocks, r/legoideas, r/legostorage, r/legocreations.

Who are the most active posters on r/buildingblocks?

The most frequent posters on r/buildingblocks include u/itsnotlego, u/Lisoneo, u/HajdekrFrantisek.

Ready to engage on r/buildingblocks?

Authentic engagement, not spam.

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