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This can only be done during Chapter 4, 'Elastigirl On the Case'. Select second part of Freeplay since it's easier.

Wait until Freeplay unlocks to do this so you can use a flying character and you can select the second part of the mission because the timer starts when you see Screenslaver in the hallway. Use a timer here if needed.

Here are the steps to take to complete this:
1. Turn on the 'Destroy on Contact' red brick.
2. Select and use a flying character or use Dash.
3. Start mission.
4. Fly past everything.

Stair case room:
5. Use Elastigirl with [ Register or Signin to view external links. ] to pull down stairs.
6. Use flying character up where the stairs are.
7. Push the case.
8. Build the stack.
9. Use Elastigirl on platform.
10. Use [ Register or Signin to view external links. ] [ Register or Signin to view external links. ] to Jack-Jack laser gold brick.
11. Use flying character go through door.

Elevator room:
12. Go past everything again. (You will go past Screenslaver for extra time)
13. Use Elastigirl on vent.
14. Use Jack-Jack on gold plate.
15. Use flying character go past everything.

During the cutscene you'll unlock the achievement.