pigeons will fly to most anything they find confidence and feel secure in,, as a lad i flew a pair of pigeons to an orange box at the back of the coal cellar,,,and got a prize ticket if i had that loft ,in this thread at that time i would have been as proud as punch,
i think the above poster is right , and may mean keith mott , who raced successfully to single boxes, as he has p. f, l,
many youngsters have to start off somehow , this would be an ideal start for some youngster, with just a few pigeons, then graduating from there ,if keen enough