Thank You – Christmas Color by Coding LTO Your Christmas Tree Color by Codingdownload is on it's way! Check your email for something from anne @ leftbraincraftbrain . com. Limited time offer for STEAM lovers! For the next 30 minutes, save 40% off our best-selling STEAM Kids Christmas Coloring EBook. It's packed with more color by coding and other fun STEAM coloring pages and activities. Check out some of our favorite Christmas activities!