These three girls carefully help Oscar the robot down the slope. Photo by Mollie Roths

Oscar needed an extra push in the right direction. Photo by Mollie Roths

This family meets the friendly Kansas State Fair robot. Photo by Mollie Roths

The Procrastinators perform in front of the KWCH booth on Friday, September 12th. Photo by Mollie Roths

The Procrastinators come from San Diego, California. Photo by Mollie Roths

The crowd reacts to The Procrastinators show. Photo by Mollie Roths

The first step of making Nitro Ice Cream is mixing vanilla with the pre-made mix. Photo by Mollie Roths

Pouring the mix into the machine is one of the first steps of making their smooth ice cream. Photo by Mollie Roths

Nitro ice cream is made and sold in the Eisenhower Building. Photo by Mollie Roths

How the Nitro Ice Cream looks first out of the machine. Photo by Mollie Roths

This enthusiastic vendor cuts up for his customers. Photo by Mollie Roths

The University of Kansas shows off their new Bio-fuel program at the fair. Photo by Mollie Roths

Visitors shake a vial to see if it's good or bad fuel. Photo by Mollie Roths

To check if the fuel is of high quality, visitors place it in ice water to see if it gets cloudy. Photo by Mollie Roths

Guest choose their favorite candy for a prize for participating in the KU experiment. Photo by Mollie Roths

This little girl gets a temporary tattoo at the Kansas State Fair. Photo by Lauren Sailsbury