Battery powered hand warmer

This is my first instructable so be kind. I wanted to make a hand warmer that was battery powered and rechargeable. I welcome any and all criticism. If you have any questions please feel free to ask. Parts List Tools & Parts Heat resistant tape Hot glue gun knife Soldering iron Balsa wood ...

By: shounaki



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from Instructables: exploring - technology http://ift.tt/117L73q