set database: 6921 monorail accessory track

image courtesy of Peeron

image courtesy of bricklinkimage courtesy of bricklink

image courtesy of lugnet

theme: space, futuron, supplemental

year: 1989

pieces: 46

prices: us$35

minifigs: none

supplemental tracks and supports for monorail system.

good for monorail track expansion.

value for parts.

must have for monorail lovers.

set database: 6991 monorail transport base

image courtesy of bricklink

image courtesy of DJForce

theme: space, unitron
year: 1994
pieces: 568
prices: us$178
minifigs: 4
one of best space monorail.
9V battrey powered.
come with 2 space stations.
the train is well designed and colored.
included a space vehicle.
raised baseplate is in the set.
4 minifigs only.
very huge layout.
great playability.
overall design is great.
must have for space lovers.

set database: 6990 monorail transport system

image courtesy of brickset

image courtesy of bricklink

theme: space, futuron

year: 1987
pieces: 715
prices: us$na
minifigs: 5
best space monorail.
best space set.
powered by 9V battery.
color scheme is cool.
very futuristic 2 space stations.
great playability.
the track can be raised and lowered with ramp.
come with small space vehicle.
the astronauts bring back good old space memories.
overall design is great.
must have for space lovers.

set database: 6399 airport shuttle

image courtesy of bricklink
image courtesy of brickset

theme: town, airport
year: 1991
pieces: 743
prices: us$140
minifigs: 9

best town monorail ever released by LEGO.

powered by 9V battery.

the rail can be raised and lowered with ramp.

both stations design is cool.

got hamburger stall and phone booth.

nice addition for LEGO town airport.

overall design is great.

must have for town lovers.