LEGO Space: Alien Avenger (6975) for sale online | eBay
LEGO UFO Alien Avenger 6975 Review! Best Minifigs of the 90s? & Heat Changing Color Stickers... - YouTube
LEGO 6975 Alien Avenger Set Parts Inventory and Instructions - LEGO Reference Guide
6975 Alien Avenger - Brickipedia, the LEGO Wiki
LEGO 6975 UFO Alien Avenger | BrickEconomy
LEGO 6975 UFO Alien Avenger | BrickEconomy
A classic UFO set: Set: 6975 Alien Avenger (plus the poster that came with it) : r/lego
Found my old UFO set: 6975 in the attic. Forgot how awesome this set was! It was purchased in Germany sometime around the year 1998 and is still in perfect condition : r/lego