St. Charles High School teacher and robotics coach Chuck Koestler, right, looks at a part that Brady Jones, left, had been working on for a robot that Jones and other St. Charles High School students are working on as a part of the school's first robotics team Thursday, Feb. 7, 2013, at St. Charles High School. Jones was using a tap to make threads on the inside of the part when the tap broke off on the inside. (Joe Ahlquist/Winona Daily News)