As long as I can remember, I’ve always wanted a pony. I grew up doing 3-day eventing (a combination of dressage, cross-country and show jumping), so at the top of my list would be a horse from Biddesden. This British stud farm bred and owned one of my favorite eventing horses of all time, the late Olympic champion Tamarillo. I would take his descendent, Telemacho, with a big red bow and a carrot. Price upon request, biddesdenstud.co.uk

And here’s a pony for my kids—one that’s pretty...