Vague Impossible Question: These Didn't exist just a few years ago, but high schoolers have recently begun shelling out more than $300 for them. What are they?

Each afternoon around 1:38pm, I ask a "Vague/Impossible Question." If you guess today's question correctly you could win tickets to see The Price is Right Live at the Modell Lyric Oct 6.  Tickets now at Lyricbaltimore.com

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Below, you will find a hint that will give you a great chance to win 

HINT: "I want to ask her to the big dance but in a very creative way"