set database: LEGO 42020 twin rotor helicopter

set database: LEGO 42020 twin rotor helicopter

image courtesy of brickmerge

image courtesy of amazon.co.uk

image courtesy of amazon

set number: 42020
set name: twin rotor helicopter
theme: technic
year: 2014
pieces: 145
price: us$13
minifig: none

small technic set.
main model is a twin rotor helicopter.
can be built into a building alternative.
building alternative included a single rotor helicopter.
the twin rotor helicopter come with spinnable rotors, a turnable front wheel and an openable cargo door.
overall design is good.