LEGO 6990 Monorail Transport System Set Parts Inventory and Instructions - LEGO Reference Guide
LEGO 6990 Futuron - Monorail Transport System, REVIEW - YouTube
LEGO 6990 Monorail Transport System Instructions, Space
LEGO 6990: Monorail Transport System | Brickset: LEGO set guide and database
LEGO Space: Monorail (6990) for sale online | eBay
LEGO Space 6990 Futuron Monorail Transport System Train from 1987 - YouTube
LEGO Space: Monorail (6990) for sale online | eBay
Lego 6990 Monorail Transport System in action 1987 - YouTube
LEGO 6990 Monorail Transport System Instructions, Space
6990: Futuron Monorail Transport System - Back of the Box Builds
Lego Futuron Monorail Train 6990 + Expansion Packs 6347 + 6921 | BeatTheBush - YouTube
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).
REVIEW: 6990 Monorail Transport System - LEGO Sci-Fi - Eurobricks Forums
6990: Futuron Monorail Transport System - Back of the Box Builds
LEGO Space: Monorail (6990) for sale online | eBay
![BrickLink - Set 6990-1 : LEGO Futuron Monorail Transport System [Space:Futuron] - BrickLink Reference Catalog](https://img.bricklink.com/ItemImage/ON/0/6990-1.png "BrickLink - Set 6990-1 : LEGO Futuron Monorail Transport System [Space:Futuron] - BrickLink Reference Catalog")
BrickLink - Set 6990-1 : LEGO Futuron Monorail Transport System [Space:Futuron] - BrickLink Reference Catalog
VINTAGE LEGO 6990 Space Monorail Transport, High-Speed Build & Review - YouTube
LEGO 6990 Futuron Monorail 03 | Dan Rubin | Flickr
LEGO Set 6990-1 Monorail Transport System (1988 Space > Futuron) | Rebrickable - Build with LEGO
