It's a little bit humorous to see it set off as if she had considered the implications ahead of time and came to that decision, but it doesn't work as well as the followup book, 11 Experiments That Failed.
It's kind of formalizing the experimental method that children go through in their innate curiosity. It's funny. I don't know if children would like it as much as adults, but it might give them an introduction to the scientific method.