Forget the Cinnamon Challenge, the Ice Bucket Challenge and the 22 Pushup Challenge. The latest craze to sweep the internet is the hardest yet. It’s called the Invisible Box Challenge and involves participants pretending to step over a non-existent mount. Can you do it?
Get the latest headlines: http://www.telegraph.co.uk/
Like us on Facebook: http://www.facebook.com/telegraph.co.uk
Follow us on Twitter: https://twitter.com/telegraph
Follow us on Google+ https://plus.google.com/102891355072777008500/
Telegraph.co.uk and YouTube.com/TelegraphTV are websites of The Daily Telegraph, the UK’s best-selling quality daily newspaper providing news and analysis on UK and world events, business, sport, lifestyle and culture.