Video: Can You Do the Invisible Box Challenge?

Forget planking, cinnamon eating, ice-bucket pouring, mannequin standing and bottle flipping: December 2017 is all about pretending to step on to an invisible box. The invisible box challenge went viral this week, thanks to a successful attempt by a Texan high school cheerleader. It’s basic mime, but it’s impressive enough to have inspired thousands of less agile challengers to share their attempts online. (Warning: you may fall on your face)