Educational material for water electrolysis: This device is designed for classroom use and experimental courses, serving as a water electrolysis demonstrator. Compact and portable design: Its small, portable form makes it suitable for use at different locations and serves as a science experiment kit for students. Electrolysis water system for active learning: Enables students to actively participate in the electrolysis process; compact and user-friendly; a learning aid for electrolysis-water. Portable electrolysis device: Thanks to its compact and portable build, water electrolysis can be performed and the setup easily transported; serves as experimental equipment. Use scenarios - In-class demonstrations during chemistry lessons to illustrate the electrolysis of water and allow students to observe the process. - Hands-on lab activities in science clubs, after-school programs, or elective courses to engage students in experiments. - Portable demonstrations at science fairs, open houses, or outreach events at different venues where mobility is important.