This is a great whistle very similar to many whistles available from places like REI or Eastern Mountain Sports. Its is compact, since rather than using a cork ball, it simply uses air. It is cheap and only requires a bic pen. It also makes a great addition to survival kits, such as the Altoid Survival Kits found on Instructables. (See link.) This is my first instructable, so I decided to start with something simple. Please drop me a comment.

www.instructables.com/id/Pocket-sized-survival-kit/ (by LinuxH4x0r)

(Note: This is a very loud whistle and a knife is used to make it. I am not responsible for any injury caused by using this whistle)

Also: If you know what lockerz is, view my other instructable for an invite. If you don't, please, look at my other instructable, it's awesome.

Step 1: Materials and Tools

 You will only need a bic pen and small knife.
<p>love it</p>
Thanks! I've been looking at putting things in a little kit and didn't want to spend much, and I hadn't thought about this idea. So great!
If you've played the flute before, you would know that you could play some simple tunes on it by tipping it forward and back.&nbsp; You could also do this with a pen cap, empty lip balm tube or even a short, fat drinking straw.&nbsp; <br /> <br /> I hadn't thought of using a pen as a whistle in an emergency.&nbsp; Nice McGyvering, there.<br />
&nbsp;haha thanks
Cool first ible!<br /><br />Good pictures and clear instructions. Keep it up!!!!<br /><br />And, most of all, I will soon build!<br /><br />5*
<strong>Sure!</strong><br /><br />It is really loud if you haven't noticed.<br /><br />=vD
&nbsp;i sure noticed! me and everyone around me XD. you cant really hearhow loud it is from the video.
Imagine that!!!!!<br /><br />
so you use it by blowing over teh opening like you do with a bottle? Thats really very cool !
&nbsp;yup, thanks. works pretty much the same was but is really high pitched.

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