my list-
glasses (i'm kinda blind...)
radio
car
pit board
pit towel
x-acto
ride height gauge
charger
power supply
surge strip
laptop (depending if wifi is availiable)
itengy allen wrenches
pliers
tires
usual spare parts (hubs, arms)
pinion gears
rice patty hat/sombrero/santa hat (for those warm or cool days)
'bout it.