Goto your rez file and pick a rez code for a ponied little girl:
Scroll down to where it says D;Hair- 3 ponytails ;0n head [In 3 ponied girls], or HAIR 138 #3.C ;Hair- bald #2.B;Hair-orange side ponytails [for 2 ponied girls] or #1.A;Hair- ponytail 0n head [for 1 ponied girls].
The 30's circled in blue are the size of the bobble so change it to any number you which to.
The -1's circled in green are the fuzziness of the bobbles. Change it to any 2 digit number.