Instructables
Picture of 5 minute watertight spy message capsule
for the times when you need a waterproof way to send messages to your agents (no one likes soggy spy notes)
 
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Step 2: Putting your capsule together

Picture of putting your capsule together
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assembly is really easy, just look at the pictures
my image notes aren't working so here are the notes
picture 1- take out the caps and note
picture 2- fold the note so it fits in one of the caps
picture 3- place one cap on top of the other
picture 4- run a piece of tape around the edge for a seal

Step 3: Enjoy your message capsule

Picture of enjoy your message capsule
These capsules could be used as message carriers, or they could be an emergency cash stash, a tiny first aid kit, a water-tight container for when you are at the beach, or even an odd way of giving your buddy the quarter you owe him.
rhino214 years ago
It doesn't really seem like the tape is very waterproof.....
Exactly, but the title of this instructable says just that: '5 minute watertight spy message capsule'.
It's watertight for 5 minutes... ;)
Very good point sir!
bloke2022 (author)  rhino214 years ago
It wasn't, electrical tape works a hundred times better.
beehard443 years ago
idea: What if you cut the neck from the coke bottle, epoxy a cap to the non threaded part of the neck and you got a reusable spy canister! maybe paint it camo, add a few infrared LED lights here and there, you can hide it and you can find it using a camera!
i did that, it works good!
bloke2022 (author)  beehard443 years ago
I like the idea, I used a similar setup on one of my mini spud guns. Good idea!
Hot glue seals the deal much better, but this'll be fine. This gives me ideas on how to communicate to other people when I'm not there. It's like following a map to where I am... map... MAP! GREAT IDEA!!! This'll ensure proper delivery (but I guess I can step it up a notch by using a small rubber band as an improvised O-ring. genius man, genius!!!
tim_n4 years ago
I like the idea - I'll be trying this out in an orienteering course for the scouts.