This is the main thing I plan to buy in Tokyo. Any guesses? But I probably won't be able to find it..and if I do I don't even know if I'll be able to use it in Canada. I will get something like it though.
An earwax-picking device of some sort with a camera/screen so you can view the inside of your ear while you dig in there.
IN ONE WEEK THIS WILL BE ME ON THE PLANE!!! (minus the garb)