Cute kid funny reaction to automatic sliding doors

Life is full of beautiful things that needs to be discovered, this kid have just discovered one of them!
The scene takes place at a supermarket and this cute little kid is surprised by this automatic sliding door!
His reaction is so cute as he seems to have discovered one of the biggest things in his life!

As he was walking near the automatic doors this little kid discovered a wonderful thing:

AUTOMATIC SLIDING DOORS!