The Wichita Police Depatment’s annual bicycle Clinics are held in June and July. They are FREE and open to children ages 6-11.
From the Police Department’s website…

These clinics are designed to teach skilled and safe bicycle riding and include classroom instruction, films and skill instruction on bicycle skilled courses. The clinics will include a presentation by a trauma nurse from via Christi Regional Medical Center-St. Francis Campus about bike helmets use. Each child will be limited to attending one of the six-hour days provided for his/her age group.

More info and schedule here