10 Inspiring Tree House LEGO MOCs: Instructions, Tips and Ideas

Branching Out: 10 Inspiring LEGO Tree House MOCs to Ignite Your Imagination

Imagine stepping into a lush LEGO forest, where towering trunks and verdant canopies become the canvas for endless storytelling. A well-designed tree house transports builders back to childhood days of secret hideaways and epic adventures, while offering adult builders a fresh playground for creativity and engineering. From cozy modular retreats perched among autumnal foliage to fantastical fairy cottages snuggled in knotty trunks, these MOCs showcase the versatility of bricks in capturing the organic beauty of trees. Whether you’re seeking a serene reading nook for your minifigs or a dramatic multi-level fortress for action-packed play, tree houses invite you to blend structural integrity with whimsical detail—think sturdy branch supports, removable roof panels, and interchangeable leaf elements that let you shift from spring greens to autumnal reds.

Tips for Building Your Own LEGO Tree House

• Start with a strong base: Use technic bricks or staggered plates to ensure your trunk and branches can support upper levels.

• Modularize core sections: Create sub-models (floors, roof sections) that click together, making stability checks and play access easier.

• Layer in foliage: Mix plate clusters, leaf elements, and plant pieces at varying angles to mimic natural randomness.

• Play with scale: Decide if your tree house is minifig-scale (for detailed interiors) or micro (for a sleek, display-friendly look).

• Color transitions: Blend brown and gray for bark, then fade into translucent greens or autumn hues for branches.

Creative Tree House Themes to Explore

• Enchanted fairy dwellings (hidden in hollow stumps)

• Rustic ranger outposts with lookout platforms

• Pop-culture-inspired builds (Simpsons, fantasy witches)

• Baobab-style multi-level homes with broad trunks

• Modern minimalist tree labs or studios

• Summer camp-style scout lodges with rope bridges

• Medieval lookout towers perched in pines

• Extension pieces that integrate existing sets (e.g., 21318 Tree House)

Featured Tree House MOCs

Model: Little Tree House

Designer: Castor Troy Store
Get the instructions: Get the instructions

Model: Tree House

Designer: Vanestream 
Get the instructions: Get the instructions

Model: Tree House

Designer: silenfu 
Get the instructions: Get the instructions

Model: Fairy Cottage

Designer: Brickjester 
Get the instructions: Get the instructions

Model: New Life Tree House

Designer: deesot 
Get the instructions: Get the instructions

Model: Bart’s Treehouse – The Simpsons

Designer: Sugai 
Get the instructions: Get the instructions

Model: Modular Tree – House with BBQ 21318 (Extension)

Designer: osna_wolle 
Get the instructions: Get the instructions

Model: Lonely Hut

Designer: nobsta
Get the instructions: Get the instructions

Model: Living in a baobab

Designer: Niouls 
Get the instructions: Get the instructions

Model: Witch’s Swamp Tree House

Designer: RolandoRod 
Get the instructions: Get the instructions