S1E128 - Kapow's Power of Invention: Silly Putty
Lucy Wow: STEM Stories for Kids Who Love Inventing - Podcast tekijän mukaan GoKidGo: Great Stories for Kids - Tiistaisin
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Silly putty, one of the most popular toys of the 20th century, began as a science experiment during World War 2. Tune in to find out how it happened!