A Tomy Bulk Buy

I assume you tried the "thwack" approach with no luck? I've managed to get so many "broken" trains to work simply by hitting the motor casing with the handle of a screwdriver. The busy as a bee james might be a little different, as it seems those wires connected to the tender inevitably get severed. And of course, if the motors are just kaput, it's always doable to swap the motor and casing from a functioning thomas.