Actually, anything. This will also depend if the item needs to be quarantined, or have customs permit. There is also a question of the weight of the item versus how big the plane is.
They get transported by plane
They are transported by ship or plane.
Rice is transported by railroad, ship, truck or plane.
Not legally.
by ship and plane
By truck plane and boat
by plane
sopwith camel
Yes, if you give them enough tranquilizers.
carry
by car, truck, boat or plane
Yes. Have you ever travelled in a Hercules?