Under the program revitalization effort of the Canadian Path, this article is no longer be applicable to the current program.
It remains here for reference purposes only.
For information on items replacing this topic, see Cub Scout Hobby.
By maintaining and presenting a collection of related items (like stamps or coins), Cubs develop organizational and public speaking knowledge and skills. 
Collect and organize a group of objects of your choice and keep your collection for a period of at least three months. Some examples: coins, stamps, photos, books, comics, sports player cards, leaves, matchbox toys, etc.
Show and talk about your collection at a pack meeting.
- Taken from MEASURING SUCCESS - THE SCOUTING WAY