1) Open the GECK
2) type ''globe'' into the Filter and select the ''*All'' category
3) right-click any given SnowGlobe item (one that has Users 1, not 0 like the STATICS) and select ''Use Info''
4) note the name of the script that references that snow globe, find it in the list, right-click it and select ''Use Info''
5) note the quest that uses said script, find it in the list, right-click it and select ''Use Info''
6) note the two ''INFO'' entries that use said quest, double-click either
7) check the ''Result Script (Begin)'' in the bottom left of the new window, it'll contain the ''Player.AddItem Caps001 x'' you're looking for
Hopefully by guiding you like this, it'll help you with future searches as well.
Queue