Mood: The mood of the video appears to be lively and playful, with a sense of youthful energy. The theme seems to revolve around education, school life, or the importance of learning, given the presence of school uniforms and educational material. The overall emotion evoked is one of joy and carefree childhood.

Environment: The setting of the video is likely a school or educational institution, as indicated by the red brick wall and the students' uniforms. The presence of a blackboard with educational symbols and the students sitting on makeshift seats suggests a casual or informal learning environment. The video may be showcasing a fun and unconventional approach to learning or highlighting a specific aspect of school life.