This is a popular one:https://www.instructables.com/id/Laser-Flashlight-Hack!!/Also this:https://www.instructables.com/id/Blu-Ray-Laser-Phaser!/L
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thats a good list of stuff u can do with a laser pointer...
the pointer itself is somewhat like an LED, but the molecules are concentrater differently as to give a thinner more concentrated light ( laser dot) rather than a distributed light as with an LED
It's not that similar to a LED, best page I could find in a few mins:http://www.explainthatstuff.com/semiconductorlaserdiodes.htmlL