scratch
http://www.scratch.org.il/%D7%9C%D7%9E%D7%94-%D7%A1%D7%A7%D7%A8%D7%90%D7%A5/
https://he.wikipedia.org/wiki/Scratch
https://he.wikipedia.org/wiki/CodeMonkey_(%D7%9E%D7%A9%D7%97%D7%A7_%D7%AA%D7%9B%D7%A0%D7%95%D7%AA)
https://www.playcodemonkey.com/
http://thescratchchanel.wixsite.com/scratch
https://stwww1.weizmann.ac.il/scratch/learning_book/