Yes, Hyperlite does make bindings for that size foot!
The State , Spin , and Vario - Size "Kids" fits a Kids 12- Mens 5
The Vargas and Pixie boots - Size "Kids" fits a Kids 12 - Womans 6.5
Note: Vargas(Girl Colors) = State (Boy Colors)
Pixie (Girl Colors) = Spin (Boys Colors)
As far as the board goes Hyperlite makes a:
119 Motive (up to 105 lbs) (Guys Graphix)
119 Divine (up to 105 lbs) (Girls Graphix)
They are both the same board but with different graphix 1 for boys 1 for girls. These boards are the same mold as shaun murrays pro model board a couple of years back. Awesome boards and very easy to ride great board for begginers. Good Luck!
Check them out at www.boardersparadise.com