Fun Stuff to do with BR?

[watchmeplay63]

Hi, I've heard about alot of fun stuff that people can do with br but no ones ever really gone into detail and seeing as i just ordered my first br, i would love it if you guys just posted intresting stuff you've done and what materials you need. Thanks

 

[drumz0rz]

The floor tiles in my house are UV-reactive so when it's dark I can "draw" on them with my 405nm laser and they continue to glow for a second or two afterwords, it's really cool.