Happy to make a string for a kids bow anytime. That said, several good sources on You Tube that can have you twisting up your own in no time. I would suggest making a board jig that is similar to this. I actually made mine about 4' long and eliminated the need to double back at the end. The longer the board, the less back and forth pattern you will have to do to get the length you want. Get some inexpensive B55 material to play with, and go at it. You will also want to purchase a string serving tool.