Occurs to me that our small person has outgrown his toddlebike [url=http://www.toddlebike.co.uk/]null
You can buy them new at John Lewis now for £23.95, or, if you'ld like a slightly used one for £10 DM me.
They're fab. Happy to witter on about it if needed (there's a thread somewhere).
Website says age 1-3, which is probably about right - it's a pre- balance bike, but more useful than more rideon toys, trikes etc.