The glittering lights of the ferris wheel are seen from miles away. Families rush to the entrance, children smiling and pulling the hands of their parents. The sweet smells of cotton candy and funnel cake hit your nose.

It’s that time of the year again.

The Pima County Fair will bring an endless amount of entertainment to Tucson starting Thursday, April 20 to Sunday, April 30.

Here's a primer on the 106-year-old event: