An RC Car chase made entirely out of cardboard, hot glue, and spray paint.
Why doesn't magenta appear in the rainbow? The answer lies not in physics but in biology.
Royal Mail, UK. The AI on this machine reads multiple letter addresses a second and makes a decision about which part of the country to sort them to. It has learnt how to read messy human writing by sending photos of addresses it struggles with to a central hub with real people who send back the correct address.
From the top of the hill a round of Double Gloucester cheese is rolled, and competitors race down the hill after it. The first person over the finish line at the bottom of the hill wins the cheese.