Instructables
Picture of LED Frosties
Light up your cooler with some waterproofed LED lights. They're simple to make and easy to reuse.
 
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Step 1: Light it up

Picture of Light it up
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All you need is a couple dozen 10mm diffused LEDs and some CR2032 batteries. Clip the leads a little and slide the battery up between them. If it didn't light up, flip it the other way.

Now tape it up and repeat until you have a small pile of glowing lights.

Step 2: Start the wrap

Picture of Start the wrap
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Tear off a square of plastic wrap and push the LED light up into the middle of it.

Now pull the rest of the plastic wrap back so it looks like a plastic comet.

Step 3: Tie it up

Picture of Tie it up
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Twist the tail a little tighter and knot it up. You can trim the excess off or leave it.

If you have some small Ziploc-style bags you can use one or two of those instead. You could also try doubling back the plastic wrap and make it more secure. I just had a bunch of LEDs, batteries, and drinks lying around so I put this together and it worked for the few hours I needed it.

Step 4: Toss them into the ice and stir

Picture of Toss them into the ice and stir
Spread the lights around the ice in the cooler and stir it up a bit so some of them get under the ice to create the glowing effect.

Step 5: Add drinks and enjoy

Picture of Add drinks and enjoy
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Do you need a description here? Get some drinks and enjoy!

Break the plastic wrap when you're done to save the LEDs and batteries for later.

See also:
- LED Throwies
- The Ice Bulb
- LED Floaties 1
- LED Floaties 2
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jnixon6 years ago
I love this idea! Where's a cheap place to get LEDs?
Bot1398 jnixon2 years ago
Ebay
Christmas ornaments or halloween decorations when they go on sale. Most light up ones have LEDs in them.
some of the toys in many of the kids meals have toys with lights you could recycle those From Doo Da Do
Koil_15 years ago
Wow, add some small magnets and you got throwies!! ,
yaaaaaaaays
waterproof throwies =]
Using this tonight for New Years party :)
fungus amungus (author)  inventorjack5 years ago
Have fun with that!
nrlucre6 years ago
Pretty!

I bet you could do this via klee27x's "Pocket Full Of Anything""Pocket Full Of Anything" technique to make a tidier container for your LED.
You know, if you put these in the heat-sealed plastic bags, but made the bags kind of sculpted so the narrow LEDs and wider battery couldn't change places, *and* left a little air in on purpose, would these float in water?

Depending on the amount of air, could you get these to float at different levels in the pool?
fungus amungus (author)  nrlucre6 years ago
That would be nicer. I've been meaning to try some soldering iron heat-sealing for a little while now.
imarzouka6 years ago
From where did you get your LEDs fungus amungus? I've been searching for diffused 10mm LEDs with internal resistance but I couldn't find them online.

Iyad Marzouka
http://ledcalculator.net
fungus amungus (author)  imarzouka6 years ago
We got these from here. The batteries have the internal resistance, not the LEDS.
Yea, don't buy LED's from radio shack if possible, trust me their a lot more expensive than eBay's, and they SUCK!!!! >:(
true that Radioshack blows when it comes to LED's, I bought (then returned) a 5 watt blue LED that I payed $4 for and it wasn't even that bright
Ebay is the best place. I got 50 leds + 50 batteries for about $30. Didnt have to pay customs since its marked as a "gift"
you can find them at radio shack
fungus amungus (author)  lukeair456 years ago
I've found RS LEDs to be dimmer and more expensive and have a slim selection of colors. If you want to play with LEDs, you're much better off ordering them online.
stanstan0095 years ago
wow! thats like really awesome! :D
pixelitis5 years ago
this right here - - is downright fackN awesome! - - it's a definite party.pleaser! tnx!
pestan5 years ago
I have a question. how long do they last?
fungus amungus (author)  pestan5 years ago
Several days. If you undo them at the end these can last for plenty of parties.
darkmuskrat6 years ago
sweet, i will probably use some solor changing leds and do this :P
(removed by author or community request)
they make self cycling rgb leds
schmidtty6 years ago
hey looks good, nice idea, sweet effect
Learndy6 years ago
Uh? LED directly connected to battery? No resistor to regulate current???

Yesterday I had a look at a datasheet of a super-bright in another context to find out that the current is kinda exponential in voltage. Maybe a resistor of 10 Ohms or so would also help the battery to stay alive and the ice to stay firm a little longer...

--
Airspace V - international hangar flying!
http://www.airspace-v.com
fungus amungus (author)  Learndy6 years ago
The same exact thing is found in LED keychain lights. Squeezing pushes the leads against the battery. The CR 2032 has an internal resistance.
This is pretty cool. do you know if it's possible to put one of these down in some water and put in the freezer, so you can make a icecube with a LED inside it, or would that damage the battery?
The would be the ice bulb.
rickfmdj6 years ago
I have done this and works marvolusly with changing LEDS
CameronSS6 years ago
I wonder if it would diminish the effect to embed the LEDs in the side of the cooler (sealing with clear silicone), and have either a larger battery pack or external power. That would save on batteries, at least. This is pretty cool looking! I like the idea of the color-changing LEDs.
Now theres an idea! A cheap styro cooler, put them through the sides and secure/seal with silicone, wire'em all together, and run off a wall wort or old car battery! It would last for the life of the cooler!
Its not really original, although you do make great instructables.
who care if he is not original. Do you think your tic tac toe joule thief light is better?

ps- Itsgoofytime, if you use a webcam to make your instructables, there is a ring on the edge of the lens to change the focus. If you use a camera, there is little flower and it is call macro.

I like this instructables, simple and cool!
Wow im just saying a LED throwie in a bag is not that different.
fungus amungus (author)  Itsgoofytime6 years ago
And a throwie isn't that different from regular keychain LED lights which have been around for years before that.
true! :P
Zing... ;)
fungus amungus (author)  Itsgoofytime6 years ago
The lights are basic and have been done before, but I haven't seen them uesd as a decoration in ice before. Am I missing something?
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