massproducer
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This is something that I have been doing now for a little while every time my Ph pen goes wonky, plus it is a fun little thing that you can do with your kids to give them a basic science lesson.
First thing that we need is a head of red cabbage. This costs about a dollar at a local grocery store, and we need a good knife and cutting board.
First thing that we need is a head of red cabbage. This costs about a dollar at a local grocery store, and we need a good knife and cutting board.