NORTH TEXAS (CBSDFW.COM) – Christmas cards that play music can be fun, but there may be a safety alert for parents who let their children play with them.

The tiny batteries inside the cards can be harmful to children.  Besides being a choking hazard, the acidic quality of the lithium battery inside can be harmful if swallowed.

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And while the batteries can also be found in remotes, thermometers, calculators and watches, they aren’t nearly as accessible as the ones inside paper greeting cards.

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CBS 11 Investigator Ginger Allen has more: 

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