Wow! A gadget that's been on sale for almost years and still selling.
September 26, 2015 
This gadget has been around for a long time, I showed one on the air nine years ago. So it's certainly Dick's Gadget Warehouse worthy, but it turns out it's still for sale after all these years. I figured a lot of people probably didn't know about this gadget, so I'm showing it again. As reporters say: “If you never saw it before, it's a 'new gadget'!)” It's called Key Buoy. Work near the water, or own a boat? Never lose keys in the water again! When keys fall in the water, wait about 30 seconds to a minute and your keys come bobbing back to the surface! Once you see that inflated orange tube breaking the surface you have approximately 25 minutes to grab them. (It starts to deflate after about 30 minutes.) Tube carries keys to the surface for easy retrieval. Suitable for keys or items weighing up to 2.8 oz. I wondered how it worked and the guys at the Davis Instrument booth were happy to explain. When you drop the Key Buoy in the water, a tiny piece of sponge inside the device expands and forces the plastic clam shell to open. When it opens, a tightly folded 14” plastic tube is released. Then a small tablet which contains baking soda dissolves. This creates a gas that fills the tube that floats your keys. The package says the Key Buoy is suitable for items weighing up to 2.8 ounces. That's about as many as 5 keys. Davis Instruments said you can even attach them to other things that often fall in the water like the water fill or gas cap key providing it doesn't weight more than 2.8 ounces. There single use devices, but cost only $7. And if it brings your keys up from the bottom, I think you'll say it's worth it!
Giz Wiz Key Buoy Video: https://youtu.be/ZuS95Jv5wtI
Company website: http://www.davisnet.com/.
It's $6.29 here, with free shipping for Amazon Prime members. (Price as of 9/26/15)
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