Ultron Sentries
sh166 · Marvel Super Heroes
Avengers: Age of Ultron · 2015 - Debuted during the peak of the MCU's expansion into the LEGO lineup.
Figure ID
sh166
Theme
Marvel Super Heroes
Year Released
2015 - Debuted during the peak of the MCU's expansion into the LEGO lineup.
Rarity
Common; this figure was mass-produced in multiple sets to allow fans to build 'armies' of drones.
Head
Black head with gold and grey robotic face printing; features a distinct red horizontal eye-line across the center.
Torso
Black torso with intricate metallic gold and dark bluish grey circuit/mechanical printing; uniform on front and back.
Legs
Plain black legs without printing; standard hip piece.
Accessories
Equipped with a Black Neck Bracket with 4 Angled Bar attachments (often holding translucent blue studs as thrusters).
Color Scheme
Primary Black with Pearl Gold and Dark Bluish Grey accents; Red highlights for sensors/eyes.
Printing Details
High-quality pad printing on the head and torso; includes mechanical 'muscle' definition and gold plating effects.
Variants
Standard Sentry (this one), Sentry Officer (with extra armor), and Ultron Prime versions with different heads/torsos.
Condition Notes
Prone to scratches on the gold torso print; the neck bracket can cause small stress marks on the torso neck stub.
Estimated Value
Used: $2.50 - $4.00 USD; New: $5.00 - $7.00 USD. Low individual value due to high production numbers.
Price (New)
Available in sets ranging from $12.99 (Iron Skull Sub Attack) to $29.99 (Avengers Hydra Showdown).
Compatible Sets
76029 Iron Man vs. Ultron, 76032 The Avengers Quinjet City Chase, 76037 Rhino and Sandman Super Villain Team-up.
Character Background
Autonomous robotic drones created by Ultron to serve as his expendable army during the Battle of Sokovia.
Design Notes
The use of the 4-bar neck bracket was a clever way to simulate flight and multiple appendages without new molds.
Similar Minifigures
sh175 Ultron Prime, sh176 Ultron Ultimate, sh164 Iron Legion.
Collectibility
Moderate; popular for army building but lacks the 'hero' status or rarity of main Avengers characters.
History
Part of the first major LEGO wave dedicated to an Avengers sequel, marking a shift toward more detailed robotic prints.
Interesting Facts
Despite being 'Ultron' drones, their torso print is highly sought after by MOC builders for generic sci-fi robots.
Display Suggestions
Display in groups of 3 to 5 behind an Ultron Prime figure or flying on clear poles in a Sokovia diorama.
Modification Potential
Excellent for robot MOCs; the torso is versatile for cyberpunk or futuristic space-themed custom figures.
Overall Assessment
A solid, well-designed 'grunt' figure. Essential for MCU completionists but very affordable for budget collectors.