How many light bulbs can you put in your wallet?

If you are running out of bright ideas sometimes it doesn't hurt to look inside your wallet. That is if you have the Credit Card Lightbulb in there. All it takes is a single flip to stand it up and lighten your day, literally with its battery powered LED light. It is 3.2 ounces and is the size of a credit card (only a little bit thicker). When it is time to turn it off all you need to do is flatten the card and you can put the bulb back in your wallet.

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Buy on www.amazon.com
Under $25