Here’s what a quarter stick looks like, just as the article said: https://en.wikipedia.org/wiki/Quarter_stick
“quarter stick” firecrackers do not contain nitroglycerin as dynamite does, and have far less explosive power.
-wikipedia
“just as the article said: “
The article says dynamite. Your link is not dynamite.
Thanks for the link. Here is a key quote
“The term quarter stick is based on a quarter-stick of dynamite, which it somewhat resembles. However, quarter stick firecrackers do not contain nitroglycerin as dynamite does, and have far less explosive power.”