Here is a rare opportunity for all you space geeks and just in time for the holidays! Teachers in Space is selling some collectible t-shirts donated by SpaceX. These shirts were awesome when they came out and are now both rare and awesome. Whether you are buying one you or your favorite space enthusiast, making a first time purchase or replacing that old thread bare version you bought a while back, now is a great time to get your hands on this shirt. Don’t wait! Get yours before they are gone!