Wind-driven bird-repelling devices not of metal

[ Balls for ball-point pens; ] Charcoal pencils; [ Drawing squares; Fountain pens; ] Markers; [ Marking pens; Paint trays; Paintbrushes; Painters' brushes; Painters' easels; Painting sets for children; Pen clips; ] Pencils [ ; School supply kits containing various combinations of selected school supplies, namely, writing instruments, pens, pencils, mechanical pencils, erasers, markers, crayons, highlighter pens, folders, notebooks, paper, protractors, paper clips, pencil sharpeners, writing g...