Do your students practice the 4 Cs of 21st Century Learning? Do they collaborate, communicate, create, and think critically? Inspire your students with these original posters. This poster set comes in 5 school-friendly sizes, so you can send it directly to the printer, copier, or poster maker.Letter / 8.5 x 11 in.Legal / 8.5 x 14 in.Tabloid / 11 x 17 in.Small Poster / 18 x 24 in.Large Poster / 24 x 36 in.I've also created individual posters for each skill, in case you'd like to focus on one at