Tinkerclass (Week 4 Day 4): Improve & Retest

It's day 4 of TINKERCLASS--Time to improve and retest your creation. Using the data you collected on your whiffs, improve the sniffs in your "Jar of Smells" design. This week's project features the Wow in the World episode, Getting Nosey About the Science of Smell! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.