These DIY Timeline Posters are great classroom supplies that help children practice organization. Have youngsters use these paper posters for report outlines, or encourage them to use their own markers to create a personal mini-biography that's perfect for show and tell! These posters are also ideal for a lesson on genealogy, or simply as a Monday morning catch-up for youngsters to tell the story of their weekends. Paper. (30 pcs. per unit) 17" x 22"