Presented is a descriptive account of guided design, an educational strategy in which students work together in small groups to solve open-ended problems designed to provide experience in applying the subject matter content of a course. The essential elements of this instructional strategy are described, and the instructor's role clarified as "professional consultant helping to find the solution to a problem." Project titles and a description of the related subject matter are provided for several guided design projects in developmental natural science and general chemistry. (CS)