Round 3 -- Kathy

thirteen pairs of scissors

thirteen pine cones

thirteen people at the softball game

thirteen sets of green buttons

thirteen ribbons from the State Fair

thirteen trees in a row

thirteen old sewing machine parts

thirteen Ls

thirteen pickets in a fence

thirteen earrings

thirteen slivers of soap

thirteen crocus

Round 3 -- the baker's dozen -- Kathy

thirteen boarded-up windows

Round 3, Uta: Long and/or thin things

13 knives

13 wooden children

13 covered-up umbrellas

13 cases of pencils

13 CDs in my parents's shelf

13 pillars along the staircase-rail

13 drum sticks, literally

13 straight quilt lines

13 icycles - the furthest one to the right I declare merely a frozen drop with the potential for becoming icycle no. 14...

13 cards in memory game

13 unused matches

13 uneaten freedom fries

13 picks for German-style party food