Here is a great new eco-friendly desktop item. Forget about wasting batteries to charge up your calculator. Now all you have to do is turn on the faucet.
The promotional water powered calculator is one of the coolest eco-friendly products to date. All you do is fill the battery compartment with water.
A great product for banks and other financial institutions. The coolest new eco-friendly item that is sure to draw a crowd as a trade show giveaway.
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