This is not Israel, but FSA in Aleppo, however it demonstrates how make shift rocket launches can and will fail, now imagine this is a much larger Hamas rocket fired amongst heavily populated areas, Oops we just hit an apartment block and killed 20 children, thats ok lets blame it on Israel.
[video=youtube;xLjjGgiTRro]https://www.youtube.com/watch?v=xLjjGgiTRro[/video]