Easiest is to purchase online:
You can go in person to:
Monmouth Scout Shop (10-5pm weekdays, 10-2 Saturday)
Ginesi Lane, Morganville, NJ
https://www.monmouthbsa.org/scoutshop
Washington Crossing Scout Shop
1 Scout Way
Doylestown, PA 18901
215-348-7203 x 333