A rubber raft in a pine tree.
2. skinned knees
3. Bic pens
4. flashlights
5. bathing suits
6. bars of candy
7. missing dollars
8. counselors sleeping
9. roasted marshmallows
10. noisy chipmunks
11. tubes of sun screen
12. giant mosquitoes

(This is just a sample; you can make up your own lyrics!)