"...Each participating classroom will receive a USPS Pen Pal Project kit with a teaching poster, cards, and envelopes. By participating in the program, students will improve their writing, communication, and collaboration skills...."
Reference:
Slow mail causes hundreds veterans to have their colon cancer screening
tests invalidated after the results took months to arrive by mail
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Article Title: Hundreds veterans to have their colon cancer screening tests
invalidated after the results took months to arrive by mail Article
Excerpt: "....