Which racing video game series features the fictional locations Moo Moo Meadows and Rainbow Road?

Mario Kart

In what year did the first Harry Potter movie premiere? Who played Gandalf in Peter Jackson’s adaptations of "The Hobbit"? What candy treat dispensed from a special machine is blown into bubbles? What polyhedron has exactly six faces, all rectangles? What is the third digit after the decimal point in the number π?