Learn about machines the fun way! The Magic School Bus meets The Way Things Work in this kid-friendly guide to understanding the basics of simple machines, perfect for budding engineers. The Invention Hunters travel the globe in their flying museum collecting the world's greatest inventions! Today they've landed in a construction zone. These silly scientists think they've stumbled on incredible specimens of everything you'd never find at a building site, from roller skates and pogo sticks to swords and race cars. But what they really discover—with a kid as their guide—is how simple machines like pulleys, cranks, and levers are used to engineer tools ranging from jackhammers to dump trucks...and even toilets! Using simple explanations and diagrams and a heaping helping of humor, the Invention Hunters make the perfect companions for curious kids who are ready to learn about science, physics, engineering, history, and more.

The Invention Hunters travel the globe in their flying museum collecting the world's greatest inventions! This time, they've landed in a kid's backyard, and these silly scientists think they've stumbled on incredible specimens, from umbrellas and lipsticks to coins and rockets. But what they really discover—with a kid as their guide—is how electricity and magnetism powers lamps, batteries, and even toasters!

The Invention Hunters travel the globe in their flying museum collecting the world's greatest inventions! This time, they've landed at an elementary school's science lab, and these silly scientists think they've collected incredible specimens of banjos, flowerpots, and even a yeti's tooth. But what they really discover—with a kid as their guide—is how prisms, magnifying glasses, cameras, and TV screens use light to work!

The Invention Hunters travel the globe in their flying museum collecting the world's greatest inventions! This time, they've landed at a music store, and these silly scientists think they've collected incredible specimens of trampolines, birdhouses, eyeballs, and even a unicorn horn. But what they really discover—with a kid as their guide—is how musical instruments, microphones, and records produce sound.