Boys can join a Wolf den in the 2nd grade. A boy must complete 12 achievements in order to earn his Wolf badge. After completing the requirements for the Wolf badge, a boy can begin working on 23 electives. There are more than 100 electives available. Once 10 electives are completed, the scout can earn a Gold Arrow that can be displayed under the Wolf badge. For every 10 electives completed after that point, he will earn a silver arrows.