Activities STEAM Activity Guides Click the images to download each single-page PDF activity guide. Coloring Sheets: The Lost Tribes: Trials Go on a Lost Tribes coloring adventure with this 10-page set ofdownloadable pages of illustrations from The Lost Tribes: Trials. Need some coloring inspiration? Click on any of the samples below to see a larger version. Look at this sample from our editorial assistant Julia. Alexa, age 13 Shelby, age 10 Coloring sheet set preview: Previous Next Download the set (PDF)