This Usborne title from 1981 offers a straightforward introduction to the physics of flight and buoyancy through simple, engaging experiments. It's a practical guide for young, curious minds, encouraging hands-on learning. The book's strength lies in its direct approach to explaining scientific concepts, making it ideal for children who learn by doing. It's best for a parent or educator to guide younger children (4-6) through the experiments, while older children (7-11) can engage independently. It's a great resource for sparking early interest in STEM.