Giant Evolution Timeline: Poster SPECIAL SALE PRICE! (Usually $29.) 600 million years of fun, colorful evolution on your wall! Includes 67 weird ancient creatures, mass extinctions, fun facts and plenty more Includes 12-page activity guide with great kid-tested fun for ages -10 Printed on poster stock, 10 in. by 12 feet (hang in your hallway!) Scientifically accurate, highly educational and fun! Perfect for home, school & homeschool.