The Big Bang Theory’s LEGO apartment began with a friend who saw its potential
Ellen Kooijman and Glen Bricker brought different talents to a personal display model, creating an Ideas project with room for seven familiar friends.
Someone else saw the possibility
A model built for your own shelf can mean more to another fan than you expect. The official booklet for LEGO Ideas The Big Bang Theory 21302 describes exactly that kind of beginning: Ellen Kooijman made the television apartment as a personal display, while Glen Bricker believed it could become a successful Ideas proposal.
This retrospective looks at their collaboration through LEGO’s original materials. It is a particularly friendly community story because the first useful contribution was encouragement. One builder had already made something she enjoyed; another helped her imagine an audience for it.
Two builders, two kinds of work
The booklet identifies the pair as Alatariel, or Ellen Kooijman, and Glen Bricker, also identified there as Glen Wadleigh. They became friends through the Ideas platform, previously called Cuusoo. Their responsibilities were complementary: Kooijman handled the set design, while Bricker developed minifigures and promoted the project.
Our reading is that the division matters as much as the television license. A successful proposal needs a model that communicates its idea, characters that fans recognize and a way for people to discover it. Those tasks need not all belong to the same person. Collaboration can make room for different strengths without making either contribution secondary.
A familiar room needs familiar people
The finished 484-piece set represents Leonard and Sheldon’s living room and includes Leonard, Sheldon, Penny, Howard, Raj, Amy and Bernadette. LEGO’s product description highlights a telescope, whiteboard and DNA model among its details. The official page now identifies the set as retired.
In the product image, the seven characters gather around the seating while shelves and small objects fill the background. The open front gives the viewer a clear place to look into the room. Our visual impression is that the arrangement works like a compact stage: the furnishings establish the setting, but the people make it feel occupied.
A useful question for your next collaboration
For builders working together, this history suggests a simple starting conversation: which part of the project does each person most want to tackle? One may enjoy refining a room; another may love character details, photography or explaining the idea.
That is a suggestion drawn from the designers’ account, rather than a formula for Ideas success. What makes this apartment’s origin appealing is its modest starting point. A friendship helped move a shelf model into a shared project, and the finished scene still looks ready for friends to pull up a chair.
Reporting checked October 22, 2026. Plans and programs can change; follow the linked organizations for current information.