In the early Eighties I was all about Space Legos. They invited creativity and were my toys of choice as a kid. They dominated any Christmas or birthday list I was asked to make. I would always build it as instructed first to prove I could, then quickly take it apart and make my own variations, often including parts from other sets. I found a site where you can browse every Lego set ever produced. If you were into Legos of any kind, you may find it interesting. These are the ones I remember having:
