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Tinkerclass (Week 1 Day 4): Improve & Retest

It's day 2 of TINKERCLASS--Explore & Plan. Look around your home for a problem you'd like to solve. This week's project features the Wow in the World episode, Hugomatic 3000!
Wow in the World

It's day 4 of TINKERCLASS--the improve and retest phase. See if you can improve your invention from yesterday, test it again, and then share your results with us! This week's project features the Wow in the World episode, Hugomatic 3000!

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