Big Books - Yellow (Big Book)

{"id":638,"type":"audio","url":"https://polyglot.easyedu.vn/sites/default/files/easyschool/upload/2025/07/yellow_audio.mp3","width":null,"height":null,"thumbnail":"https://polyglot.easyedu.vn/sites/all/themes/easyedu/images/audio-large.png"}

{"id":639,"type":"image","url":"https://polyglot.easyedu.vn/sites/default/files/easyschool/upload/2025/07/yellow_picture1.png","width":542,"height":767,"thumbnail":"https://polyglot.easyedu.vn/sites/default/files/styles/large/public/easyschool/upload/2025/07/yellow_picture1.png?itok=qhpaYrlD"}

{"id":640,"type":"image","url":"https://polyglot.easyedu.vn/sites/default/files/easyschool/upload/2025/07/yellow_picture2.png","width":1019,"height":720,"thumbnail":"https://polyglot.easyedu.vn/sites/default/files/styles/large/public/easyschool/upload/2025/07/yellow_picture2.png?itok=45R2QssH"}

{"id":641,"type":"image","url":"https://polyglot.easyedu.vn/sites/default/files/easyschool/upload/2025/07/yellow_picture3.png","width":1017,"height":721,"thumbnail":"https://polyglot.easyedu.vn/sites/default/files/styles/large/public/easyschool/upload/2025/07/yellow_picture3.png?itok=5PpLlfRx"}

{"id":642,"type":"image","url":"https://polyglot.easyedu.vn/sites/default/files/easyschool/upload/2025/07/yellow_picture4.png","width":1017,"height":720,"thumbnail":"https://polyglot.easyedu.vn/sites/default/files/styles/large/public/easyschool/upload/2025/07/yellow_picture4.png?itok=SgdQ_63N"}

{"id":643,"type":"image","url":"https://polyglot.easyedu.vn/sites/default/files/easyschool/upload/2025/07/yellow_picture5.png","width":1017,"height":720,"thumbnail":"https://polyglot.easyedu.vn/sites/default/files/styles/large/public/easyschool/upload/2025/07/yellow_picture5.png?itok=3IkQ-6tw"}

{"id":644,"type":"image","url":"https://polyglot.easyedu.vn/sites/default/files/easyschool/upload/2025/07/yellow_picture6.png","width":1019,"height":720,"thumbnail":"https://polyglot.easyedu.vn/sites/default/files/styles/large/public/easyschool/upload/2025/07/yellow_picture6.png?itok=wRnJBiG0"}

{"id":645,"type":"video","url":"https://polyglot.easyedu.vn/sites/default/files/easyschool/upload/2025/07/yellow_video.mp4","width":1138,"height":640,"thumbnail":"https://polyglot.easyedu.vn/sites/default/files/easyschool/upload/2025/07/7555aed8-989c-4b01-85a2-a8bc463658d1.png"}