Also known as how to pack snow gear, winter clothes, and overnight supplies into no more than 3 suitcases and 2 backpacks.
Oh yeah, and all the electronics needed to support a 7 year old for 2 days.
And food for both of us for 2 days.
And something to keep me occupied.
And last, but certainly not least, blankets, pillows, etc.
Definitely Modernized Ancient Tetris.