User blog comment:Echo 1/BIONICLE: Chronicles Contests!!!/@comment-1488078-20110814021805/@comment-2026417-20110814185848

As long as their not being used to shoot stuff, launchers can be used. The reason I'm not allowing launchers is because none of the 2001-2003 sets had launchers (unless you count the Bohrok and Rahkshi Kraata/Krana flingers and the Tohunga disk throwers as launchers).