BRYAN EATON/Staff Photo. Jack MacDonald, 8, builds a shelter out of plastic plates, pipe cleaners, clothespins, and tape at the Newburyport Rec Center. He was in a science unit for school vacation activities where they pretended they were shipwrecked and swam to an island and built the shelters which could keep out the rain.

190415BEAshelterNewburyportreccenteryouthvacationscienceMacDonald