Tired of always losing those darn bobby pins? Place a magnetic strip in your bathroom and put your bobby pins on it; you'll never loose them again. ** And if you want it hidden, just place the strip inside your medicine cabinet!
The trouble with those shower caddies that hang from the shower head pipe is that you have only one showerhead. To get more space for your bath potions, hang another caddy on a cabinet knob. hanger screw, you can screw the knob into a stud.
Like the idea - use a board to save the walls and maybe not Velcro since it'll get gross and isn't easily cleaned. Magnets or even small hole in cup to hang on a hook? Cars, Trucks and Teething Rings: Kids Toothbrush/Bathroom Fix