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Ultrasonic Showdown

70171-1·Ultra Agents·2015·2 minifigs·72 parts

Used Avg

$118.22

Showing new price

New Avg

$118.22

Add to your inventory Scan the minifigs

About Ultrasonic Showdown

Ultrasonic Showdown (70171-1) is a LEGO Ultra Agents set from 2015. There isn't enough recent sales data for a reliable price estimate. It includes 2 minifigures.

Seller notes

Professor Brainstein with Mech Suit ($91.00) is the most valuable minifig in this set. If you're buying this set secondhand, check that this figure is included — it's often the first one pulled by sellers who part out.

Minifigures in Ultrasonic Showdown (2)

Agent Curtis Bolt

uagt033$3.04

Professor Brainstein with Mech Suit

uagt034$91.00

Parts (72)

Tile, Round 2 x 2 with Bottom Stud Holder

Projectile Launcher Part, Trigger for Gun, Mini Blaster / Shooter

Brick, Modified 1 x 1 with Stud on Side and Conductive Element on Opposite Side (AppBrick)

×2

Plate, Modified 1 x 2 with 1 Stud with Groove and Bottom Stud Holder (Jumper)

Wedge, Plate A-Shape with 2 Rows of 4 Studs

×4

Projectile Launcher Part, Rapid Shooter Trigger Small

×2

Projectile Launcher Part, Rapid Shooter Six Barrel - Angled Barrels

×2

Minifigure, Utensil Radio (Walkie-Talkie) with Detailed Grille

Wedge, Plate 3 x 3 Cut Corner

×2

Plate 4 x 4 Corner

×2

Technic, Pin with Short Friction Ridges

×5

Brick 2 x 2

Plate 2 x 4

×5

Plate 2 x 3

×4

Plate 2 x 2

Plate 1 x 2

×9

Brick, Modified 1 x 2 with Open O Clip Thick (Vertical Grip)

Plate 4 x 4

×2

Plate 2 x 8

Wedge, Plate 12 x 6 Left

Wedge, Plate 12 x 6 Right

Slope 45 2 x 2

Slope 45 2 x 1

×2

Slope, Curved 2 x 2 Lip

×3

Tile 1 x 2

Plate 1 x 3

×2

Technic, Brick 1 x 2 with Hole

×3

Technic, Brick 1 x 4 with Holes

×2

Plate 2 x 6

Hinge Brick 1 x 2 Base

×2

Brick, Modified 1 x 1 with Headlight

×2

Plate, Round 1 x 1

×26

Technic, Pin 1/2 without Friction Ridges

×3

Engine, Large

Wedge 4 x 2 Triple Left

Wedge 4 x 2 Triple Right

Wedge, Plate 3 x 2 Right

Wedge, Plate 3 x 2 Left

Cone 1 x 1 with Top Groove

×2

Brick, Modified 1 x 2 x 2/3 with Studs on Sides and Extended Stud Receptacle

Dish 2 x 2 Inverted (Radar)

Slope, Curved 2 x 2 x 2/3 with 2 Studs and Curved Sides

Wedge 4 x 4 Triple Curved No Studs

×2

Wedge, Plate 8 x 3 Pentagonal Right

Wedge, Plate 8 x 3 Pentagonal Left

Slope 30 1 x 1 x 2/3

×3

Slope 30 1 x 1 x 2/3

×3

Technic, Axle 8L with Stop

×2

Plate, Modified 1 x 2 with 2 Open O Clips (Horizontal Grip)

Hinge Brick 2 x 2 Top Plate

×2

Slope 18 2 x 1 x 2/3 with Grille

×2

Turntable 4 x 4 Square Base, Locking

×2

Tail Shuttle

×2

Technic, Brick 1 x 1 with Hole

×2

Tile 1 x 6

×2

Sticker Sheet for Set 70171 - (21670/6117695)

Brick, Round 4 x 4 with Hole

×2

Plate, Modified 2 x 2 with Groove and 1 Stud in Center (Jumper)

×2

Windscreen 6 x 4 x 2 Bubble Canopy with Bar Handle

Brick, Round 2 x 2 with Axle Hole and Grille / Fluted Profile

×2

Bracket 1 x 2 - 2 x 4

×2

Brick, Round Corner 6 x 6 with Slope 33 Edge, Facet Cutout

×2

Minifigure, Weapon Gun, Two Barrel Pistol - 10-Rib Top Barrel

Cone 2 x 2 Truncated

×2

Tile, Round 1 x 1

×5

Bracket 1 x 2 - 2 x 2 Inverted

×2

Bracket 1 x 2 - 1 x 2 Inverted

×4

Bracket 1 x 2 - 1 x 2

×3

Common questions about Ultrasonic Showdown

How much is LEGO Ultrasonic Showdown (70171-1) worth?

Ultrasonic Showdown sells for an average of $118.22 new/sealed on BrickLink based on 6 months of completed sales. As a retired set, prices tend to hold steady or appreciate over time, especially for complete sets with original packaging. Actual prices vary with completeness — missing minifigures or key parts will lower the value.

What minifigures come in LEGO set 70171-1?

This set includes 2 minifigures: Agent Curtis Bolt ($3.04), Professor Brainstein with Mech Suit ($91.00). The minifigures have a combined BrickLink value of $94.04. Each figure is linked above with individual pricing if you're looking to buy or sell specific characters.

Is LEGO Ultrasonic Showdown (70171-1) retired?

Yes, Ultrasonic Showdown was released in 2015 and has been retired from retail for several years. Retired LEGO sets are only available on the secondary market through BrickLink, eBay, or other resale platforms.

How do I check if my Ultrasonic Showdown set is complete?

Use the parts list on this page to check every piece and all 2 minifigures. For the minifigures specifically, you can use the brick'em scanner to identify each figure from a photo and confirm it matches what should be in this set. Missing pieces can be individually sourced on BrickLink.

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