Describe children who use their brains to think and solve problems intelligently and tactfully. There was the cheerful melody of percussion, the mechanical sound of a typewriter computer keyboard. Suitable for modern teaching film background music episode
描述儿童开动大脑思考，聪明机智解决问题。有打击乐的欢快旋律，打字机电脑键盘的机械声。适合现代教学影片背景音乐插曲