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Sep 2024
13m 37s

Curious About Traffic Lights

Olivia, Bleav
About this episode

In episode 269, we get curious about traffic lights for Parker and Alex from Arizona.  We learn about the history of traffic lights, why traffic lights are so important, and how we selected green, yellow, and red to be the traffic light colors.  Noah also joins us to share five unbelievable facts about traffic lights you need to Noah.

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