How many pieces does the LEGO Shadow's Mech vs. G.U.N. Trooper (77120-1) have?

The LEGO Shadow's Mech vs. G.U.N. Trooper set (77120-1) contains 374 pieces. It was released in 2026 as part of the LEGO Sonic The Hedgehog theme.

How can I find missing parts for LEGO set 77120-1?

On BrickMissing you can check which parts from the LEGO Shadow's Mech vs. G.U.N. Trooper (77120-1) you already own. Add your LEGO collection and we'll show exactly which of the 374 pieces you're missing and which you already have.

Can I build the LEGO Shadow's Mech vs. G.U.N. Trooper with parts I already have?

Use BrickMissing's free parts checker to find out. Add LEGO sets you own to your collection and we'll cross-reference all 374 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO Shadow's Mech vs. G.U.N. Trooper from?

The LEGO Shadow's Mech vs. G.U.N. Trooper (77120-1) belongs to the LEGO Sonic The Hedgehog theme. You can browse all Sonic The Hedgehog sets on BrickMissing to find more sets from this theme.

Shadow's Mech vs. G.U.N. Trooper - View 6

Shadow's Mech vs. G.U.N. Trooper

77120-1 Sonic The Hedgehog 2026 374 parts 6.3% catalog rarity Intermediate

LEGO Sonic The Hedgehog 77120-1 Shadow's Mech vs. G.U.N. Trooper depicts a high-stakes confrontation. Shadow the Hedgehog pilots his formidable mech, featuring fully adjustable limbs with ball joints, twin swords, and four shoulder-mounted stud shooters. Opposing him is the G.U.N. Trooper on the Dark Rider motor, seeking to secure or defend vital treasures. The Doom Wings can be affixed to the mech for aerial maneuvers or directly to Shadow for dynamic role-play. This 374-piece set allows for various display poses and narrative reconstructions, capturing the fast-paced action of the Sonic universe.

View at LEGO.com € 49,99→ lego.com

77120-1

3D build progress

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Parts Inventory

🧱 374 parts

Showing the first 12 rows of the parts list (374 pieces in total). The full list loads automatically.

Color	Qty	LEGO price each
Black	1×	Check price → View
Black	4×	€0,13 View at LEGO → View
Black	2×	€0,10 View at LEGO → View
Black	2×	€0,08 View at LEGO → View
Black	1×	€0,21 View at LEGO → View
Black	1×	€0,27 View at LEGO → View
Black	4×	€0,10 View at LEGO → View
Black	8×	€0,10 View at LEGO → View
Black	4×	€0,13 View at LEGO → View
Black	2×	€0,24 View at LEGO → View
Black	2×	€0,05 View at LEGO → View
Black	3×	€0,10 View at LEGO → View

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Catalog rarity

How common are the parts in Shadow's Mech vs. G.U.N. Trooper?

6.3%Moderate rarity

more commonless common

8 of 127 recorded part+color combinations appear in 3 or fewer sets in our catalog. This does not measure replacement availability or price.

Theme average

All sets

6.7%

Least common in our catalog

MOTOR CYCLE FAIRING, NO. 4 · Black · only this set in our catalogBAD ROBOT ARM · White · only this set in our catalogGhost Effect · Trans-Brown · only this set in our catalog

How we calculate this →