This Compilation Of Kittens Learning To Use Stairs Is The Most Adorable Video You'll See This Week

03/10/2014 14:58 BST | Updated 03/10/2014 15:59 BST

It's World Smile Day, and we can think of no finer compilation to celebrate it than this.

Because, as we all know, the only thing cuter than a video of a kitten is LOTS of videos of kittens. Preferably doing something ultra-cute like, ooh, I dunno, tackling stairs..?

Thank you, internet!