The Magical Word of Science focused on children mainly between 9-15 years old, who like to do simple experiments and experience the wonders of Science. The book contains 100 experiments that can be easily done at home, which enables children to better undertstand the phenomena of physics, chemistry and biology. The experiments can be easily done by using simple things found in the home. The tasks in the book can be divided into three categories based on the level of difficulty: the easy tasks are marked with green, the more difficult ones with blue, and the difficult ones with red.