It was made especially for the Prince of Wales and the Princess Royal as children and given to them in 1955.
So just a one offbut there are plenty of small caravans out there, can't remember the name of the tear drop shaped one.. that would be perfect!
That's at Beaulieu - I saw it when I had a wander round the museum! Took a couple of pics but not uploaded yet.
JR
Yup i saw it on Sunday too!