Slinky: Invented by Richard James., Was invented by accident!, Sold for the first time in Gimbels., Walks down the stairs., Bubble Gum: Invented by Walter Diemer., Took months of trying different formulas., Sold for the first time in a Mom and Pop shop., Makes bubbles!, Both: Invented in Philadelphia, Sold for the first time in a store in Philadelphia., Sold out quickly., Was made by someone who was creative.,

Bubble gum/Slinky Compare and Contrast

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