LEGO 6990 Monorail Transport System Instructions, Space
BrickLink - Set 6990-1 : LEGO Futuron Monorail Transport System [Space:Futuron] - BrickLink Reference Catalog
LEGO 6990 Futuron Monorail Transport System | BrickEconomy
LEGO on Twitter: "Let's take a trip back in time. ✌️ In the 80's and 90's, we released several Light & Sound System sets like this one from the Space theme (6990).
6990 - Back B - Back of the Box Builds
Vintage LEGO Monorail Transport System Futuron Space Train Set #6990 #515475 | Auctionninja.com
RARE Lego Futuron Monorail 6990 Complete With Instructions 1987 Original Owner | eBay
LEGO Space 6990 Futuron Monorail Transport System Train from 1987 - YouTube