They tried selling those big, giant heads for souvenirs at first, but they couldn't move them. They don't fit in carry on luggage very well I guess.
Then they went to little bobble head hula girls with grass skirts, and JACKPOT!
Yup. Some smart Johnny said, “Hey, you know they could put these things on their dashboards!” There’s always some buzzkill around to say, “Wait, they haven’t invented dashboards yet.” Don’t listen to these guys.