Oh what a lovely pony, a dun AND coloured, wonderful.
Just what I would have bitten your hand off for a year ago before I found Finn (who sadly isn't coming with us anymore, Evie has just today decided to have a bit of a break when we move, I'm totally miserable about it.)
I am sure your phone will be ringing off the hook, I hope you find a lovely home for him and a larger pony that will bring your son just as much pleasure as Sunny has, even though it will be a sad parting.
Good Luck.