Introduction

It's Halloween Week at WeWow! This week, we'll listen to some of your favorite spooky episodes of Wow in the World and give you tinkering challenges to try at home. Today, we're listening to "Screaming for Science" and making screaming balloons! Grownups, share photos and videos of your Wowzer's tinkerings at tinkercast.com/share. Head over to the WeWow podcast feed to tune in for new challenges all week long!

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