I've just found some old Bachmann locos (LNER V1 and V2) which have been at my dad's house for a while. They have not been touched for at least 10 years, and all have the same problem - the white plastic axles have split, and the wheels fell off as soon as they were taken out of the boxes. The locos have been stored at room temperature, and away from sunlight. Does anyone know why this happens? Although Bachmann replacement chassis are available I'm tempted to have a go at building an etched brass chassis kit and use Romford/Markit wheels as replacement Bachmann units will probably suffer the same.