The visit, scheduled for August, will be the first papal visit to Ireland since 1979.
Pope-themed caricature drawings, alarm clocks, lollipops and bobble heads are among the memorabilia people can purchase to remember the visit.
The 81-year-old Pontiff will take part in the Festival of Families, a faith-based cultural concert, in Croke Park on 25th August.
He will also celebrate Mass in the Phoenix Park on 26th August.
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