LEGO SET 76140 - Alternate build | Iron Man Mech
Unleash Your Inner Inventor: 8 Epic Builds (Plus 3 Bonus Hybrids) from the Iron Man Mech Set
When Tony Stark’s towering Iron Man Mech first rolled onto our shelves in 2020 (set 76140-1), fans everywhere marveled at its sleek lines, its imposing stature, and that unmistakable red-and-gold paint job. But Brickheads know that the real magic happens when you break down the instructions and let your own imagination take flight. What if your mech didn’t stalk the battlefield like a walking tank, but soared overhead like a superhero jet? What if it morphed into a scaly, fire-breathing dragon, or shrank to a microscope for scientific exploration?
This isn’t just idle daydreaming—it’s exactly what the Rebrickable community has achieved, crafting alternate models (“MOCs”) that push the Iron Man Mech’s incredible parts bin to its limits. From hulking “Gorilla Mechs” to elegant arc-winged flyers, these designs prove that a single set can become dozens of entirely new creations. Whether you’re craving high-speed aerial combat, a massive mech-elephant lumbering across the savanna, or a custom “Arc Mech” glowing with industrial flair, there’s an alternate build here that will challenge your skills and expand your collection.
In this blog, we’ll dive into must-try MOCs—eight that use only the Iron Man Mech’s pieces, plus three “hybrid” models that mix in elements from other sets for even more creative potential. Ready to unleash your creativity? Let’s suit up!
Alternate Builds (Use Only 76140-1 Parts)
Transformer Hovertank
Designer: alanyuppie
Get the instructions: Link
Transformer Jet Mech
Designer: alanyuppie
Get the instructions: Link
Iron Garmaddon
Designer: dorianbricktron
Get the instructions: Link
Iron Bot
Designer: dorianbricktron
Get the instructions: Link
The Iron Dragon
Designer: Zeah
Get the instructions: Link
Arc Mech - 76140 3x
Designer: MrBrickArtist
Get the instructions: Link
Transformer Microscope
Designer: alanyuppie
Get the instructions: Link
Transformer from 76140
Designer: Harlefox
Get the instructions: Link
Hybrid Builds (Mix in Other Sets)
76140 Iron Man’s Elephant
Designer: thekitchenscientist
Get the instructions: Link
76140 Iron Man’s Gorilla Mech
Designer: thekitchenscientist
Get the instructions: Link
76140 Alternative Boat
Designer: szadq
Get the instructions: Link
With these inspiring MOCs at your fingertips, you can transform your Iron Man Mech into everything from a microscopic lab instrument to a mythic dragon—or combine it with other sets for colossal hybrid creations. Pick your favorite, gather your bricks, and dive into a new building adventure!
