Would you like a fun writing assignment to top off your Great American Eclipse Micro-Study? Simply download and print (4×6) our complimentary postcard image on postcard stock (or do so at your local office supply store). Have your children draw a vertical line down the center back of their postcard and voila! Their postcard is ready to go! Have them write a friend or family member about their 2017 solar eclipse experience. The perfect stamp for their postcard? Why an Eclipse Forever Stamp, of course! Available at your local post office.