musical instruments for toddlers

Any ideas on what to include in a group session of musical instruments for young children?
Under my TAFE course I to do a group session with young children musical instruments. Are you aware of activities or games (with the instruments.) Who might be Included in the group session? Any general tips on how to manage the group: P lol? Anyone know any links to such information site?
The kids in my preschool love drums, maracas, bells, etc. .. We made the bells of the wrist for all children with bells strung pipe cleaners on them and then just keep them and shake them!
How to Make Musical Instruments for Kids : How to Make a Bass Using Fishing Line