I had broken the nose off of my drone and didn't want to spend the $20 dollars it would have cost to replace it. Research showed me that very few things are safe to use on the PPE foam, which the drone is made of. Rubber and contact cement will melt it, epoxy makes brittle edges that are subject to re-breakage, and low temp hot-glue is iffy.
Consequently, I decided to go with the adhesive kit.
When I initially got it, I was dubious to say the least, but I followed the instructional videos on the parrot website and was pleasantly surprised with the result. The adhesive is a super thin, super strong, double stick tape that really makes a strong repair, which seems to be as strong as if it had never been broken.
Since the repair I have had other crashes that resulted in breaks in the foam of the nose, but not in the same place as the old breaks.
Since I am not an accomplished pilot of the drone, I keep propellers, gears/shafts, and this adhesive on hand to mend any of the damages I inflict on my drone. You can use other materials to repair the PPE body, but I wouldn't recommend it.