Jed and Jessica were hoping to get on their uncle Sam's tank, but when they went to visit him, they found out that it was actually stuck, the tank was completely dismantled. Fortunately, Sam knew how to fix it. Join this team to know how to re-install the tank and discover with them the parts of this machine and how it works. Why don't things work? This series is unique in its comic framework and expressive graphics through which things are explained. Therefore, it combines the element of scientific benefit represented in the rich information and facts it provides on the one hand, and the elements of suspense and suspense represented in the framework of simplified storytelling on the other. Therefore, the child will not find it difficult to absorb the content and interact with it.