Ages 6-11 · About 13 min
Tril’s first mission takes a dramatic turn when a skin cell goes missing, and the body’s immune system springs into action. Join Tril and a brave white blood cell as they search for the culprit and face a dangerous bacterial invader head-on.
Choose a page from the story, draw over it, or start with a blank canvas.
Rebuild illustrations from the story, one puzzle piece at a time.
Search the story illustrations and collect all ten objects.
