Tinkerclass (Week 2 Day 3): Create & Test (encore)

It's day 3 of TINKERCLASS--the create and test phase. Using your plan from yesterday, it's time to bring your idea to life! This week's project features the Wow in the World episode, Rat Race! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.