Remember Boo's closet door? The one that swings between our world and the Scare Floor? A builder named Pester78 has turned that unforgettable slice of Monsters, Inc. into a working LEGO® Ideas project called The DOOR From Monster Inc., and it currently sits at 4,497 supporters on its climb toward 10,000. Ready to open some doors of your own?

The star of this build recreates the Scare Floor door system, complete with the mechanism that clamps Boo's pink flowered door onto the factory floor. Here is the part that made us grin: the mechanism actually works. Pull the right piece and it secures the door in place, then triggers the scream canister, just like the monsters do when they clock in for a shift. (Powering an entire city on giggles and shrieks? Only Pixar could make a factory this charming.)

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Around that clever locking action, Pester78 packs in the industrial extras that give the Scare Floor its high-tech look. You get control panels, wiring, mechanical arms, and that signature glowing scream canister sitting proud on its stand. Every one of those details rewards a closer look, and every one gives you ideas for your own factory-floor scenes. Who says a display piece cannot also have moving parts?

This one aims squarely at grown-up builders and Pixar fans who want a proper challenge. The mix of LEGO® engineering and movie nostalgia makes for a rewarding session at the building table, the kind where you finish a section and immediately want to show someone. And the finished model is designed to hold its own on any shelf, doorframe and all.

If you want to help push The DOOR From Monster Inc. toward that 10,000-supporter finish line, head to its LEGO® Ideas page and add your vote. Will Boo's door swing open on a shelf near you? That part is up to you, fellow builder.