Effectively communicating agricultural safety messages to children requires an understanding of this audience's unique characteristics, which are dependent upon their developmental stages. This article identifies important characteristics for the 4-7 and 8-12 age groups that were used in developing educational resources for children who participate in farm safety day camps and in-school programs. Each age group has specific characteristics that can inhibit communication when they are not considered in designing content and approach of educational materials. In addition, there are three comprehensive communication issues that affect the effectiveness of transferring safety messages to children.