https://sites.google.com/a/jbps.ttct.edu.tw/scratch-2-0jiao-cai/shou-ye-jie-shao
均一教育平台
https://www.junyiacademy.org/
Scratch 自造教育
http://itopnet.blogspot.com/2019/01/scratch-3.html
設定變數
http://120.116.50.2/dyna/data/user/scratch/files/201405030050020.pdf
