In addition to the classes I teach 90 minute workshops on Yoga for Birth approximately once per term (more info here). (longibbons.com)
For example, we plan on having a 90 minute workshop covering business models for mobile. (internetdatingconference.com)
Six, 30 - minute workshops allow children to explore, observe and investigate their world and the museum through song, dance and movement experiences. (ogdenmuseum.org)