Dusty is a fictional character from the animated television series The Magic School Bus. He is a friendly and adventurous school bus that takes students on exciting educational trips. Dusty is known for his bright yellow color and ability to transform into various vehicles, allowing the class to explore different environments and learn about science. In the series, Dusty is often accompanied by Ms. Frizzle, the enthusiastic teacher who guides her students through their adventures. Together, they embark on journeys that teach important lessons about topics like biology, chemistry, and physics, making learning fun and engaging for young viewers.