42020 Twin-Rotor Helicopter From Brickipedia, the LEGO Wiki PageDiscussionEditHistory More... Report a problem What links here Related changes Special pages Printable version Permanent link Page information Browse properties TECHNIC42011 << 42020 >> 42021 Twin-Rotor Helicoptor Item №: 42020 Pieces: 145 Price: $15.99 Ages: 7-14 Released: 2014 Theme: TECHNIC [Submit an inventory] 42020 Twin-Rotor Helicopter is a TECHNIC set released in 2014. Gallery[edit] The set in its entirety External links[edit] Brickset Rebrickable See products for sale on Brick Classifieds