set database: LEGO 9391 tracked crane

set database: LEGO 9391 tracked crane

set number: 9391
set name: tracked crane
theme: technic
year: 2012
pieces: 218
prices: us$20
minifigs: none

small technic set.
main model is a tracked crane.
can be built into a building alternative.
building alternative included a bulldozer.
the tracked crane come with movable tracks, rotatable superstructure, raisable boom, extendable arm and raisable hook.
the bulldozer with movable tracks, raisable blade and lowerable ripper.
overall design is good.