This might be a good deal depending on the condition of the shells.

If they are intact other than a small hole in each end, they can be used to make decorated eggs for an Easter egg tree. A Pennsylvania Dutch tradition which I saw as a child with Mennonite maternal grandparents.

If they are intact with a larger hole on one end, they can be used to make cascarones, which are confetti filled eggs that are an Easter tradition in South Texas and presumably northern Mexico.

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1983 300SD "Guderian"
1987 MR2
2015 Camry
2015 Chevy Spark
2006 Hyundai Tucson

That would be ironic...Squirrel Hill is the Jewish section of Pittsburgh.

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1987 560SL
85,000 miles