My Heart Tweets: How Did You Hear That? Simple Sound Science for Kids - https://t.co/wnx6xkwW8F

Sunday, September 29, 2019

How Did You Hear That? Simple Sound Science for Kids - https://t.co/wnx6xkwW8F

How Did You Hear That? Simple Sound Science for Kids - https://t.co/wnx6xkwW8F
— Thomas Hammerlund (@thammerlund) September 28, 2019

from Twitter https://twitter.com/thammerlund

September 29, 2019 at 01:46AM

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