Mc Tonight?

My little sister stayed home to study tonight so we brought her home a Mc Donald's 1 pc chicken with spaghetti meal (w/ softdrink) (priced at 108 php).  She was so happy!  She said that it was her first time to eat fast food at late night.  She was also excited to use plastic fork.

I've always wondered why kids love to eat fast food and use plastic spoon and forks.  Do you know?