OYY Classy Castilla - medium sport pony born fall 2015 This lovely filly belongs to a family of superb ponies - ride and drive ... some of those relatives are pictured below in Castilla's gallery.  She will likely mature around 13.2 hh -- . Castilla is steady walk/trot in the indoor now and a super nice driving pony - plus a spectacular addition to your American curly pony breeding program. Castilla has a willing disposition and work ethic -- learns quickly and is a delight to school. $5800 -