Lawrence police spokesman Trent McKinley says the presumed parents of the children have been arrested on suspicion of child abuse and endangerment and will appear in court Thursday.
Police found a 5-year-old boy Wednesday sitting beside a large SUV with his hands tied and a blindfold over his eyes. A bound and blindfolded 7-year-old girl was inside the vehicle, along with three other children, ages 12, 13 and 15. All are in protective custody.
The family, from Northlake, Ill., was heading to Arizona when the vehicle broke down Monday in Lawrence.
McKinley says officers are working with Illinois social services to determine where to send the children.