Originally Posted by Speed Racer
OP, Thumbelina's a dwarf miniature horse. Minis, even if they're not dwarfs, aren't really suited as riding animals.
If your sister wants to ride, might I suggest lessons first, and maybe a lease later on when she's sure she wants to continue?
I'd be reluctant to buy any 9 y/o a pony or horse unless they'd already been riding awhile and were enthusiastic about it.
thanks for the information. Are there horses slightly bigger then a dwarf miniature horse