70171 Ultrasonic Showdown

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LEGO® → System → Ultra Agents
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Ultrasonic Showdown
70171 Box 2
Item №:





Agent Curtis Bolt
Professor Brainstein (villain)

Price: Flag-US $19.99

Additional prices:



August 2015


Ultra Agents

70171 Ultrasonic Showdown is an Ultra Agents set released in August 2015.


The set will include an Ultra Agents-affiliated jet flown by Agent Curtis Bolt. The jet has two rapid-fire stud shooters, and it is assisted by a tiny drone built with two AppBrick. They together battle the villainous Professor Brainstein. Description This is a quote taken from Do not modify it.

Intercept Professor Brainstein with the ultrasonic jet!

Attention Ultra Agent Curtis Bolt! Professor Brainstein is on the rampage in a 4-legged mech suit, carrying out AntiMatter’s diabolical plans. Jump into the cockpit of the awesome ultrasonic jet and soar into the sky to track him down. Target the evil scientist with the 6-shot rapid shooters. Double the attack by launching the detachable mini drone. You must take Brainstein down and grab that tracking device before he can warn his evil master! Then use the mini drone as your AppBrick Gadget to play out other thrilling missions on your tablet! Includes 2 minifigures with a weapon and an accessory: Ultra Agent Curtis Bolt and Professor Brainstein.

  • Includes 2 minifigures with a weapon and an accessory: Ultra Agent Curtis Bolt and Professor Brainstein
  • Ultrasonic Jet features an opening cockpit, 2 rapid shooters, a detachable mini drone/AppBrick Gadget plus cool translucent blue Ultra Agent elements
  • Professor Brainstein’s mech suit features four legs and a shoulder-mounted stud shooter
  • Mini drone/AppBrick Gadget includes 2 AppBricks
  • Includes Curtis Bolt’s gun and Professor Brainstein’s tracking device
  • Fire the ultrasonic jet’s 6-shot rapid shooters!
  • Evade Professor Brainstein’s mech suit stud shooters
  • Launch the mini drone from behind the cockpit
  • Grab the tracking device from Brainstein
  • Download the free LEGO® Ultra Agents 2 app for the ultimate digital experience where you become the agent and help to solve challenging missions
  • Build your AppBrick Gadget included in this set and play out cool missions on your tablet
  • Ultrasonic jet measures over 3” (8cm) high, 7” (19cm) long and 8” (22cm) wide
  • Professor Brainstein’s mech suit measures over 2” (6cm) high, 1” (4cm) long and 1” (4cm) wide
  • Mini drone/AppBrick Gadget measures over 1” (3cm) wide and under 1” (2cm) high and 1” (1cm) deep

Minifigures Included


  • This is the only set in the line to not include a Stud Shooter for the Ultra Agents themselves. However, it does have a multiple shooter on each wing of the jet.
  • This, along with the other sets in the wave, feature their respective AppBrick Gadgets while at the same time they work as part of the play features on it. In this case being the drone included in the jet.


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