Lively questions and clear action photographs are combined in the series of practical science books which are specially designed for young readers. In here you will get an introduction to basic principles of science, with easy to follow, full color photographic instructions using everyday materials and equipment.
Lively questions and clear action photographs are combined in the series of practical science books which are specially designed for young readers. In here you will get an introduction to basic principles of science, with easy to follow, full color photographic instructions using everyday materials and equipment.