The construction of the electronic handbook ‘’I’m Brave! How About You?’ in the subjects of Science for 4th and 5th graders aims to educate students about body safety skills. Additionally, when using the electronic handbook as a learning resource, it has helped students become interested and actively absorb lessons through various learning situations and vivid videos. The article presents the content, principles, and application of the electronic handbook in educating body safety skills for students in 4th and 5th grades through the Science subject, along with the experimental results at Ngo Si Lien Primary School, Lien Chieu District, Da Nang City.