I'll replace the old bladder with a new Butyl Rubber bladder and re-lace it with the original lace if can be, or matching replicated football lace. Here's what you do next.
JUNIOR / YOUTH SIZE Latex Football Bladder Repair Kit
Poly Football Bladder Repair Kit with Various Lacing Options and Lace Tool
Polyurethane Poly Football Bladder. Repair Flat Footballs Youth And Adult Sizes
Steel Football Lacing Awl Tool - For Repair Football Bladder / Lace Repair Kits
