Since my Trans Am is still in the middle of restoration this is gonna seem like a pointless list but it made me laugh when i looked in it today
Trunk:
Spare tire(the correct size but all the ones on the car are too small)
Paint
duct tape
Cab:
Milk crate(for pulling it in and out of the garage)
sand
sand blaster
screwdrivers
t-shirt
TOWEL(fellow hitchhickers you know what this is for

)
mouse trap
multimeter
battery charger
battery(yes i know it belongs under the hood)