I will show you how to make an instructables watch which contains a a burning laser,
Best of all, this is an extremly cheap project. I was impressed by the quality of my own for the price i paid for these materials.
This is inspired by the 007 laser watch that was worn by James Bond .
***DO NOT POINT LASER AT ANY LIVING THING***
***ALWAYS WEAR LASER SAFTEY GLASSES WHEN OPERATING A LASER***
Step 1: MATERIALS
(1) Cheap watch(preferably plastic)- Got mine at the local McDonalds, but available at dollar stores too. (58cents)
(1) 5mw laser(any kind)- Walmart,Walgreens or Petsmart (about $2-6 depending on the type of laser)
wire (doesnt matter the brand or type, just plain wire)-Radio Shack($3)
(1) slide switch( any one will do)-Radio Shack(80cents)
A soldering iron
A3v button cell battery
super glue/hot glue/epoxy