This character was inspired by one of the young cousins of the client... around three years old. So the Young Pony too would be about a toddler age.

Plenty of "ooo"-ing, questioning, and admiring sounds would be best for the Young Pony. If the Child Pony is a bit spontaneous, then the Young Pony kind of just goes with whatever her big sister does does.

The Young Pony character is also technically an Alicorn (a pony with wings and a unicorn horn). Purple body with a pink wing (or birth mark I guess) and pink mane and tail.