The Boy Who Turned Yellow (1972)

During a school trip to the Tower of London, young John accidentally misplaces his pet mouse. As he dozes off in class while learning about electricity, a spark of inspiration hits him. With newfound knowledge and determination, he devises a daring plan to infiltrate the Tower. Alongside his friends, John embarks on a whimsical adventure to rescue his beloved mouse, ultimately discovering the wonders of electricity and the power of courage. This charming tale blends imagination and education, showcasing the magic that can unfold when curiosity leads the way.