Join WebYeshiva in partnership with Ptil Tekhelet for an incredible experience for individual students, whole classes, or family-learning. Weave together Torah, archaeology, chemistry, biology, halakhah, and history with this free, online, interactive program. This four-part series will explore the many aspects of the beautiful mitzvah of Tekhelet. Participate live in our interactive classroom, or join in via the archived recordings. This unique program includes an option for an at-home dyeing experiment.