So is Staples USA. You have to buy either $10 or more amount of stuff to enter.
"Want 2 free tix to a US #PRISMATICWORLDTOUR concert? Head to your local Staples store and spend $10 or more for a chance to win AND starting today, send us a video of a teacher that inspires you to #MakeRoarHappen! Submit here: http://bit.ly/TN2zpZ