wrote:

Had crossed my mind too, where would you get the tracks from,

Rubber tracks often offered on eBay for use on micro and mini diggers.
About £25 each.

and how would you keep them on?

That would be an ecumenical question.


You could try one of these for her:

http://cgi.ebay.co.uk/Yanmar-C10R-1-...QitemZ14014206
7944QQihZ004QQcategoryZ112394QQssPageNameZWDVWQQrd Z1QQcmdZViewItem

http://tinyurl.com/38gnpr

And it would come in handy for making castles and for taking a few
pebbles home at the end of the day.