'Dance Moms' -- Bomb Squad Destroys Packages Sent to Cast Member

One of the kids on "Dance Moms" got a bunch of suspicious packages in the mail -- and the bomb squad was called in to destroy them.

According to a report, the packages -- sent to a P.O. Box in Allegheny, PA -- contained an Elvis blanket, a tribal-style blanket, a coffee maker, a scrapbook and handwritten letters. Authorities aren't revealing the intended recipient ... since he or she is a minor.

After intercepting the packages Tuesday at the post office, cops said there didn't appear to be any explosives -- but just to be safe, the bomb squad destroyed them with a water cannon.