Older imaginarium trains, cargo, & vintage tractor

Imaginarium trains from early 2000’s Paint wear and one has a magnet that works but could use replacing as it’s rusted. See photos. 2 4 trains plus 2 train cars 3 empty cargo trains and 1 (not sure of the brand) barrel hauler car. Green Vintage magnetic tractor that was mine as a kid🥰 8 magnetic Cargo pieces light paint wear on some