Do a report on Saccharin.
Saccharin got a bad rap, because they said it gave the tiny little mice cancer, and replaced it with that nasty stuff called Aspartame.
It turns out, that Saccharin isn't so bad after all. The taste was superior to anything out there now and the after effects of Aspartame are still being investigated. (There's your inferior product)
You can use Google and find more information on the subject you can ever put in writing.
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What was wrong with tinker toys or lincoln logs? now there are probably a thousand different sets of building toys and some kids have a 100 of them and play with none of them.