Make Something Day
The word "plastic" means "anything which can be easily shaped or sculpted" (actually, an even older meaning is "sculptor")
The day after Thanksgiving, thousands of Americans head for the shopping malls for a ritual known as Black Friday, called such as it's a day when many retailers move from the red (losses) into the black (gains).
Black Friday is "celebrated" nationwide by working off Thanksgiving's meal by shopping. Over a decade ago another celebration was started on the same day: Buy Nothing Day.