Kit bashing.
Scratch building.
RMwebing.
LNER OO gauge.
Some LMS and GWR.
Building exhibition layouts.
Long walks in the snow at night.
Throwing rocks at campers and avoiding humans with cameras.
want a good one. read some of the reviews for the 5LB bag of sugar free haribo gummy bears on amazon. seemingly eating 2can have a almost "explosive" effect!