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NewAges 8+

Shadow's Mech vs. G.U.N. Trooper (77120)

Name: Shadow's Mech vs. G.U.N. Trooper
Brand: LEGO
SKU: 77120

LEGO.com RRP:

£44.99

🧱 374 pieces - : £0.12

Available From

LEGO.comOfficial

£44.99

Price updated: 14 Jun 2026

View on LEGO →

Building Instructions Brickset

Price Analysis

Lowest Price Ever

£44.99

at LEGO.com · May 2026

Average Price (12mo)

£44.99

Current vs Average

0.0%

Near average

Price Trend

Stable

Last 30 days

Value Score

7.0/10

Price-per-piece vs theme avg

The lowest price we've recorded for Shadow's Mech vs. G.U.N. Trooper is £44.99 at LEGO.com in May 2026. The current price is close to the 12-month average of £44.99.

Price History & Buying Verdict

VerdictNo strong signal yet

•On price-per-piece, this is one of the better-value sets in the LEGO® Sonic the Hedgehog™ range (value score 7.0/10 vs theme average).

We've been tracking the price of LEGO LEGO® Sonic the Hedgehog™ Shadow's Mech vs. G.U.N. Trooper (374 pieces) for 42 days, recording 7 data points across LEGO.com and major UK retailers. Over that period the price has dropped 0 times below previous levels, with the lowest price ever recorded being £44.99 at LEGO.com in May 2026.

The 12-month average sale price for set 77120 works out to £44.99 — that's 0% above the LEGO RRP of £44.99. The highest price we recorded across our tracked retailers was £44.99, giving a range of about £0.00 between the cheapest and most expensive observation.

Want to see how LEGO Shadow's Mech vs. G.U.N. Trooper (set 77120) compares against other sets? Browse the best-value LEGO sets or check the full price-history tracker.

Description

Shadow's Mech vs. G.U.N. Trooper (77120) is a LEGO LEGO® Sonic the Hedgehog™ set with 374 pieces, with an RRP of £44.99. Prices have been stable over the last 30 days. With a value score of 7.0/10, this set offers excellent value compared to other LEGO® Sonic the Hedgehog™ sets.

SpecificationsProtect the Chaos Emerald or hunt for more with Shadow’s Mech vs. G.U.N. Trooper (77120), an action-packed building toy for boys and girls ages 8 and up. Kids can create fierce battles between Shadow the Hedgehog and the G.U.N. Trooper with the mech and Dark Rider motorcycle. Control the mech action figure’s articulated limbs, 2 swords and 4 shoulder-mounted stud shooters. Kids can help Shadow hop on the motorcycle or attach the Doom Wings to the mech or Shadow for more imaginative role play possibilities. This pretend-play toy makes a cool gamer gift for boys, girls and video game merch collectors. Expand the play and display possibilities with other LEGO® Sonic the Hedgehog™ toys, sold separately. This set offers a rewarding building experience, and kids can assemble with confidence using the LEGO Builder app, zooming and rotating with 3D instructions while saving and tracking progress. This set contains 374 pieces.

Features

SONIC THE HEDGEHOG™ BUILDING TOY – Kids and gamers ages 8 years old and up can charge into battle with a Shadow the Hedgehog figure and his mech, designed to spark exciting adventures
PRETEND PLAY FEATURES – This Shadow’s Mech vs. G.U.N. Trooper (77120) set has everything kids need for hours of action play with a mech, Dark Rider motorcycle, a pair of Doom Wings and more
BATTLE FUNCTIONS – Suit up for battle action with the posable mech figure and its articulated limbs, 4 shoulder stud shooters and opening bull bars on the front to deploy the Dark Rider
FIGURES AND ACCESSORIES – Shadow the Hedgehog minifigure, a G.U.N. Trooper figure, 2 swords for the mech and 2 collectible Chaos Emeralds spark thrilling role play fun
SONIC GIFT IDEA FOR KIDS – Treat a gamer with this birthday or holiday gift idea for boys, girls and any fans of the Sonic universe
VIDEO GAME COLLECTIBLES – Add this creative piece of gaming merch to a kid’s collection and display it alongside other LEGO® Sonic the Hedgehog™ sets, sold separately
A HELPING HAND – Discover digital instructions in the LEGO® Builder app, where kids can save sets, track progress and zoom in and rotate models using 3D instructions as they develop new skills
DIMENSIONS – This 374-piece building set includes a mech that stands over 7.5 in. (20 cm) high, 6.5 in. (16 cm) wide and 5.5 in. (14 cm) deep

Frequently Asked Questions about Shadow's Mech vs. G.U.N. Trooper

What is the best price for LEGO Shadow's Mech vs. G.U.N. Trooper (Set 77120)?

LEGO Shadow's Mech vs. G.U.N. Trooper (Set #77120) is currently priced at £44.99 on LEGO.com. We continuously monitor prices across multiple UK retailers to find you the best deals.

How many pieces are in LEGO set 77120?

LEGO Shadow's Mech vs. G.U.N. Trooper (Set #77120) contains 374 pieces. At the LEGO.com price of £44.99, that works out to approximately 12.0p per piece.

What age is LEGO Shadow's Mech vs. G.U.N. Trooper suitable for?

LEGO Shadow's Mech vs. G.U.N. Trooper (Set #77120) is recommended for ages 8+. This set is part of the LEGO LEGO® Sonic the Hedgehog™ theme. View all LEGO® Sonic the Hedgehog™ sets and deals.

Where can I find the building instructions for LEGO Shadow's Mech vs. G.U.N. Trooper?

You can download the official building instructions for LEGO Shadow's Mech vs. G.U.N. Trooper (Set #77120) for free from LEGO.com. Download the building instructions here. The instructions are available as a PDF and can be viewed on any device.

Where can I buy LEGO Shadow's Mech vs. G.U.N. Trooper in the UK?

LEGO Shadow's Mech vs. G.U.N. Trooper (Set #77120) is available from LEGO.com at £44.99. We're monitoring other UK retailers for availability. Check our recent price drops for updates.

What is the lowest price ever recorded for LEGO Shadow's Mech vs. G.U.N. Trooper?

The lowest price we've recorded for LEGO Shadow's Mech vs. G.U.N. Trooper (Set #77120) is £44.99 at LEGO.com in May 2026. That's 0% off the LEGO RRP of £44.99. Track the latest movements on our LEGO price history page.

Is LEGO Shadow's Mech vs. G.U.N. Trooper good value for money?

Comparing piece-count to price across the LEGO LEGO® Sonic the Hedgehog™ theme, this set scores 7.0 / 10 for value. That works out to about 12.0p per piece. That puts Shadow's Mech vs. G.U.N. Trooper in the top tier of LEGO® Sonic the Hedgehog™ sets for raw build value — you're paying noticeably less per brick than the theme average. Compare against other contenders on our best-value LEGO sets page.