Anyone who has road-tripped with kids (or road-tripped as a kid) understands the importance of the license plate game — find ones from the most states and you win. State Plate's handsome scoreboard keeps track of everyone's spotted plates, while the cursory info on each state — history, state birds — leads to a lot of accidental learning.
WIRED Dramatic reduction in "How much longer?" questions.
TIRED A stark visual reminder for kids that they will probably never see Hawaii plates.