Scored these for free but are dirty and we’re from a smoking indoor household. What’s the best way to clean them or best solution to soak them in?

Found this

Found this looking through old legos, anyone know if it’s special?

LEGO 6536 'Aero Hawk'

Rate my collection

Just finished

Don’t talk to me or my son ever again

I was able to get 8 out of the 12 minifigures. Not bad for picking boxes at random.

Lego Ghostface MOC

3 for 5

Not too bad and honestly won’t have picked Agatha as a duplicate but hey I got beast and she-hulk

Any tips to clean impregnated dust off of a lego set?

Purist Lego Hellboy Custom

How'd I do??