There are so many cool tape patterns out there, they will love this project! - DIY Reusable Duck Tape Lunch Bags are a fun DIY back to school supplies idea. You can personalize these cute school supplies however you want!
(now sew pencil bag) Duct Tape + ziplock bag = diy Pencil case
Duct Tape Sit-Upon -- great camp craft for Girl Scouts or Boy Scouts wonder if you could buy thrift store pillows to put in these?