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.
Cat brought in a large vole last night and chased it into the modeling room where upon removal of little critter involved dismantling the kits cupboard. It made a nice change, very tasty.