This instructor's toolkit provides a a ten minute web-based tutorial on this skills lab, including a review of the current literature on this topic, step-by-step instructions for forming the clay models, and suggestions for implementing the lab. The same material is covered in written form in the accompanying lab manual. Finally, the toolkit provides a model worksheet for teaching dilation and effacement, a skills assessment worksheet for testing purposes, and a checklist for use in an OSCE evaluation. You can access the web-based lecture and download the lab manual by clicking on the image links below.