I think this group is all space (correct me if I'm wrong heheh). What's your favorite space theme? My favorite is probably Space Police I, then Ice Planet 2002, followed by Exploriens. The rest are decent, though some are pretty nice. My favorite theme Space-Related theme is either Rock Raiders or Space Port.
Permalink

Blacktron I for sure. M-Tron after that. And Classic Space. I also like the green Space Police (1 or 2?) stuff, though have none.
Permalink

I personally like the M:Tron, Ice Planet, and Blacktron series I & II sets.
Permalink

Blacktron started it all. Yet, Classic Space is still the best. Check out the NeoSpace creations.
Permalink

Not going to put them in order because it would be too hard, but: Exploriens, M-Tron, both Blacktrons, and Classic Space.
Permalink

Blacktron 1 for the minifigs (hope they make a comeback) and Blacktron 2 for the spacecraft.
Permalink

UFO, Insectoids are my personal favorites... Mainly because you do not have any conflict they just mine and explore and mess around with their ships AND THEY LIGHT UP!!! HECK YEAH!!!
Permalink

Oh Yeah, I remember. Too bad they were discontinued.Very unique pieces that can't be found in other sets.
Permalink

Blacktron I, for sure!
Permalink

There were some cool Blacktron I and Futuron models, but my favourite is definitely Classic Space with the G1 colour scheme (blue/light grey/trans-yellow).
Permalink