Infiltrate the Evil!
With Ultra Agents!

Stop Tremor's destructive plans with this action-packed 241-piece set from 2014. Includes 2 minifigures to create thrilling adventures!

🏛 Ultra Agents
Set #70161

Tremor Track Infiltration

Tremor Track Infiltration is a fun, action-packed set from the Ultra Agents theme.

🏆 Best For: Ideal for kids aged 7-12 who enjoy action-oriented LEGO sets and vehicle builds. ⏱ 2.0 hr build 🧩 241 pcs 🎂 Ages 7+
★★★☆☆ 3.6 from 2 reviews

Fans appreciate the set's unique design and play features, particularly the punching mechanism. Some reviewers note that the set is relatively simple to build but offers good value for its price point and playability.

MSRP
$19.99
Best Price
$17.99
You Save
10% OFF
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📝 Our Take

Tremor Track Infiltration is a fun, action-packed set from the Ultra Agents theme. It features a unique villain vehicle with power-punching fists and a sleek agent vehicle, creating dynamic play scenarios and a visually appealing build.

This set is perfect for kids and LEGO enthusiasts who enjoy imaginative play and collecting unique vehicles. With its manageable piece count and straightforward build, it offers a satisfying experience for younger builders while providing enough detail to engage older fans.

Skip this if you're primarily interested in complex building techniques or highly detailed display models. Consider LEGO City vehicles or Speed Champions sets for more realistic designs or advanced building challenges.

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How does this set compare to other vehicles in the Ultra Agents line? What are some creative ways to modify the punching mechanism? Is this set a good value for its playability and display potential? How rare are the minifigures in this set compared to other Ultra Agents sets?

🧱 Building Experience

🧩
241
Pieces
2.0h
Build Time
📊
Beginner
Difficulty
👤
7-12
Ages
Build Highlights:
  • Simple but effective mechanisms for the punching fists
  • Sleek design of the agent's vehicle
  • Easy-to-follow instructions suitable for younger builders
  • Good playability with the two included vehicles and minifigures

📈 Investment Analysis

↑ Trending up since release
B
Investment Grade
⏳ Appreciating
Tremor Track Infiltration, while not a flagship set, benefits from the Ultra Agents theme's limited run and unique villain design. Its relatively low piece count and original MSRP make it accessible to collectors. As a retired set, its value is steadily increasing, driven by demand from Ultra Agents completionists and fans of unique LEGO vehicles. However, its smaller size and lack of exclusive parts limit its potential for explosive growth. Investors should consider it a stable, long-term hold rather than a quick flip.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

📖 About This Set

Protect the ultra chip from the Tremor Track’s power-punching attacks!

Attention Ultra Agent Jack Fury! Tremor, the iron-fisted Super Villain, is rampaging through the streets of Astor City in his fearsome armored track vehicle. Your vital mission is to protect the ultra chip which contains all the Ultra Agents’ secret plans. Stay clear of the vehicle’s massive power-punching fists. Fend off the flick missiles with the shield and retaliate by firing the stud shooter. Use all your skills to outsmart this heavily-armored Super Villain. Just one mighty punch from Tremor’s vehicle will explode the mainframe database and release the precious ultra chip! Includes 2 minifigures with weapons and accessories: Tremor and Agent Jack Fury.

 

Compare Similar Sets

Compared to other Ultra Agents sets, Tremor Track Infiltration offers a good balance of playability and collectibility at a lower price point. While larger sets like the Ultra Agents Mission HQ offer more complex builds, this set provides a more accessible entry point into the theme. It's a good alternative for those who want a taste of Ultra Agents without a significant investment.

2 Minifigures Included

The set includes Agent Jack Fury and the villain Tremor. These minifigures are unique to the Ultra Agents theme, adding to the set's collectibility.

📦 Full Parts Inventory - 79 unique parts • 230 total pieces

Gorilla Fist / Hand Gorilla Fist / Hand
Part #: 11092 Flat Silver
Plate 3 x 3 Plate 3 x 3
Part #: 11212 Dark Bluish Gray
Slope Curved 2 x 1 No Studs [1/2 Bow] Slope Curved 2 x ...
Part #: 11477 Dark Bluish Gray
Tile Special 1 x 1 with Clip with Rounded Tips Tile Special 1 x ...
Part #: 12825 Dark Bluish Gray
Launcher, Weapon Gun / Blaster / Shooter Mini Launcher, Weapon ...
Part #: 15391 White
Launcher Trigger, Weapon Gun Trigger Launcher Trigger,...
Part #: 15392 Dark Bluish Gray
Technic Axle 5 with Stop Technic Axle 5 wi...
Part #: 15462 Dark Tan
Sticker Sheet for Set 70161-1 Sticker Sheet for...
Part #: 17618 [No Color/Any Color]
Technic Steering Wheel Pilot's Yoke [Hollow Stud, Axle Hole with + Opening] Technic Steering ...
Part #: 18352 Dark Bluish Gray
Tile Special 1 x 2 Grille with Bottom Groove Tile Special 1 x ...
Part #: 2412b Light Bluish Gray
Tile 1 x 4 with Groove Tile 1 x 4 with G...
Part #: 2431 Black
Tile Special 1 x 2 with Handle Tile Special 1 x ...
Part #: 2432 Dark Bluish Gray
Brick Special 1 x 2 with Pin Brick Special 1 x...
Part #: 2458 Dark Bluish Gray
Tile Special 2 x 2 with Top Pin Tile Special 2 x ...
Part #: 2460 Light Bluish Gray
Antenna 8H Whip Antenna 8H Whip
Part #: 2569 Black
Technic Pin with Friction Ridges Lengthwise and Center Slots Technic Pin with ...
Part #: 2780 Black
Plate Special 2 x 2 with 2 Pin Holes Plate Special 2 x...
Part #: 2817 Light Bluish Gray
Brick Special 1 x 2 with Grille Brick Special 1 x...
Part #: 2877 Black
Brick 1 x 2 Brick 1 x 2
Part #: 3004 Dark Tan
Plate 2 x 3 Plate 2 x 3
Part #: 3021 White
Plate 2 x 3 Plate 2 x 3
Part #: 3021 Black
Plate 2 x 2 Plate 2 x 2
Part #: 3022 Light Bluish Gray
Plate 1 x 2 Plate 1 x 2
Part #: 3023 Trans-Light Blue
Plate 1 x 2 Plate 1 x 2
Part #: 3023 Trans-Red
Plate 1 x 2 Plate 1 x 2
Part #: 3023 Trans-Yellow
Brick Special 1 x 2 with Handle Brick Special 1 x...
Part #: 30236 Tan
Plate 4 x 12 Plate 4 x 12
Part #: 3029 Light Bluish Gray
Plate 4 x 4 Plate 4 x 4
Part #: 3031 White
Plate 2 x 8 Plate 2 x 8
Part #: 3034 Dark Bluish Gray
Slope 45° 2 x 2 Slope 45° 2 x 2
Part #: 3039 Black
Slope 45° 2 x 1 with Bottom Pin Slope 45° 2 x 1 w...
Part #: 3040b Light Bluish Gray
Brick Special 2 x 4, with 2 x 2 Brick with Top Pin and 1 x 2 Side Plates Brick Special 2 x...
Part #: 30592 Dark Bluish Gray
Brick Round 1 x 1 Open Stud Brick Round 1 x 1...
Part #: 3062b Dark Bluish Gray
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b Black
Tile 1 x 1 with Dark Bluish Gray Square with Black Center and Lines Print (Ultra Chip) Tile 1 x 1 with D...
Part #: 3070bpr0001 Trans-Green
Technic Brick 1 x 2 [2 Pin Holes] Technic Brick 1 x...
Part #: 32000 Black
Technic Axle and Pin Connector Angled #1 Technic Axle and ...
Part #: 32013 Black
Technic Beam 1 x 5 Thick Technic Beam 1 x ...
Part #: 32316 Red
Brick 1 x 2 x 2 with Inside Stud Holder Brick 1 x 2 x 2 w...
Part #: 3245c Black
Technic Beam 1 x 7 Thick Technic Beam 1 x ...
Part #: 32524 Dark Bluish Gray
Technic Beam 1 x 11 Thick Technic Beam 1 x ...
Part #: 32525 Black
Technic Pin Long without Friction Ridges Technic Pin Long ...
Part #: 32556 Tan
Slope 33° 3 x 2 Slope 33° 3 x 2
Part #: 3298 Dark Tan
Plate 1 x 3 Plate 1 x 3
Part #: 3623 Dark Bluish Gray
Slope Inverted 45° 2 x 1 Slope Inverted 45...
Part #: 3665 Dark Bluish Gray
Plate 1 x 6 Plate 1 x 6
Part #: 3666 Dark Tan
Technic Pin without Friction Ridges Lengthwise Technic Pin witho...
Part #: 3673 11× Light Bluish Gray
Technic Brick 1 x 2 [1 Pin Hole] Technic Brick 1 x...
Part #: 3700 Dark Bluish Gray
Technic Brick 1 x 8 [7 Pin Holes] Technic Brick 1 x...
Part #: 3702 Red
Slope Inverted 33° 3 x 2 [Connections between Studs] Slope Inverted 33...
Part #: 3747b Black
Plate 2 x 10 Plate 2 x 10
Part #: 3832 Dark Tan
Brick Special 1 x 2 with Groove Brick Special 1 x...
Part #: 4216 White
Technic Pin 1/2 Technic Pin 1/2
Part #: 4274 12× Blue
Technic Axle Pin with Friction Ridges Lengthwise Technic Axle Pin ...
Part #: 43093 Blue
Tread Small (20 Links) Tread Small (20 L...
Part #: 43903 Black
Plate 1 x 10 Plate 1 x 10
Part #: 4477 Black
Dish 2 x 2 Inverted [Radar] Dish 2 x 2 Invert...
Part #: 4740 Dark Tan
Plate Special 1 x 2 [Side Handle Closed Ends] Plate Special 1 x...
Part #: 48336 Red
Wedge Plate 2 x 4 Wedge Plate 2 x 4
Part #: 51739 Dark Tan
Wheel 18 x 14 with Pin Hole, Fake Bolts and Shallow Spokes Wheel 18 x 14 wit...
Part #: 55981 Light Bluish Gray
Light Cover 1 x 1 Round with Internal Bar / Bionicle Barraki Eye Light Cover 1 x 1...
Part #: 58176 Flat Silver
Light Cover 1 x 1 Round with Internal Bar / Bionicle Barraki Eye Light Cover 1 x 1...
Part #: 58176 Trans-Red
Plate Special 1 x 2 with Clips Horizontal [Open O Clips] Plate Special 1 x...
Part #: 60470b Black
Plate Special 1 x 2 with Handle on End [Closed Ends] Plate Special 1 x...
Part #: 60478 Black
Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole Technic Beam 1 x ...
Part #: 60483 Light Bluish Gray
Technic Pin 1/2 with 2L Bar Extension Technic Pin 1/2 w...
Part #: 61184 Light Bluish Gray
Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] Plate Special 1 x...
Part #: 61252 Red
Slope 18° 2 x 1 x 2/3 with 4 Slots / Grate Slope 18° 2 x 1 x...
Part #: 61409 Dark Bluish Gray
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 Trans-Orange
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 Trans-Clear
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 Flat Silver
Brick Special 2 x 2 with Pin and Axle Hole Brick Special 2 x...
Part #: 6232 Tan
Technic Pin Connector Round [Slotted] Technic Pin Conne...
Part #: 62462 Light Bluish Gray
Bar 6L with Stop Ring Bar 6L with Stop ...
Part #: 63965 Black
Slope 30° 1 x 2 x 2/3 Slope 30° 1 x 2 x...
Part #: 85984 Dark Tan
Slope 30° 1 x 2 x 2/3 Slope 30° 1 x 2 x...
Part #: 85984 White
Panel 1 x 2 x 2 [Side Supports / Hollow Studs] Panel 1 x 2 x 2 [...
Part #: 87552 Trans-Light Blue
Plate Special 2 x 2 with Groove and Center Stud (Jumper) Plate Special 2 x...
Part #: 87580 White
Plate Special 1 x 2 with Bar Up [Horizontal Arm 5mm] Plate Special 1 x...
Part #: 88072 Light Bluish Gray
Slope Brick Curved 2 x 4 x 2/3 No Studs, with Bottom Tubes Slope Brick Curve...
Part #: 88930 Black
Brick Round 2 x 2 [Grill] Brick Round 2 x 2...
Part #: 92947 Light Bluish Gray
Brick Round 2 x 2 Truncated Cone Brick Round 2 x 2...
Part #: 98100 Light Bluish Gray
Arm Mechanical with Clip [Thick Support] Arm Mechanical wi...
Part #: 98313 Flat Silver
Spoiler 2 x 4 with Handle [Plain] Spoiler 2 x 4 wit...
Part #: 98834 Black
Bracket 1 x 2 - 1 x 2 Inverted Bracket 1 x 2 - 1...
Part #: 99780 Black
Bracket 1 x 2 - 1 x 2 Bracket 1 x 2 - 1...
Part #: 99781 Light Bluish Gray
The set features a good selection of Technic pins and slopes in useful colors. The Dark Tan and Flat Silver elements are particularly useful for MOC builders looking to add detail to their creations.

🛒 Where to Buy

eBay
✓ In Stock
$17.99
LEGO (UK)
✓ In Stock
£17.99
Walmart
✓ In Stock
$18.99
Target
✓ In Stock
$19.99
LEGO (DE)
✓ In Stock
€19.99
LEGO (US)
✓ In Stock
$19.99
LEGO (CA)
✓ In Stock
$24.99
Amazon

💎 Notable Parts

Dark Tan Dish 2 x 2 Inverted [Radar] (6x) $1.50
Flat Silver Arm Mechanical with Clip [Thick Support] (6x) $2.10
Black Plate Special 1 x 2 with Handle on End [Closed Ends] (6x) $1.20
Dark Bluish Gray Slope 18° 2 x 1 x 2/3 with 4 Slots / Grate (6x) $0.90
Est. BrickLink Part Value
$5.70

💡 MOC Potential

🚗 Alternate futuristic vehicles
🤖 Transform the Tremor Track into a mech suit
🏙 Expand an Ultra Agents city scene

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

Based on 10 videos
3.0 /5
Mixed
0% positive
BlockTalk AI

YouTube reviews of the LEGO Ultra Agents Tremor Track Infiltration (70161) are generally neutral. Reviewers like just2good highlight Tremor, implying it is a positive aspect of the set. BrickVault encourages viewers to buy the set.

Community Sentiment

Based on 10 YouTube reviews

Reddit

Not enough Reddit data

YouTube

3.0 /5
Mixed
0% positive
0
Positive
10
Mixed
0
Critical
BlockTalk AI Analysis

YouTube reviews of the LEGO Ultra Agents Tremor Track Infiltration (70161) are generally neutral. Reviewers like just2good highlight Tremor, implying it is a positive aspect of the set. BrickVault encourages viewers to buy the set.

What the Community Says

6 YouTube reviews
BlockTalk AI Summary

BricksNerd notes the set includes 241 pieces and 2 minifigures, originally retailing for $19.99. DominatoSpace gives the set a positive recommendation in their review.

Community Content: These reviews are from Reddit and YouTube users sharing their personal experiences. Opinions may vary.

Charts Inventory Statistics

79
Unique Parts
230
Total Pieces
2
Minifigures
Inventory Version: 1