I'm a Lego fan like you:
I am keen on clever designs that accomplish unexpected shapes and features.
When I was 12, I enjoyed Lego Trains and Lego Technics.
I remember friendly competitions in my school. My Lego-fan friends wanted to be the first guy able to create a Lego Technic car with front wheel transmission, suspension and stearing.
In that old time (1988), there were no specific Lego parts to make it efficiently.
To be honest, we created ugly mechanisms, but we were 2 friends able ...