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!
Woven Duct Tape Tote - I've made three of these so far. I'd recommend cutting your duct tape a little longer than instructed then trimming to the needed length after you've folded--sticky duct tape is hard to measure exactly.