According to the event organizers:
“In this hands-on workshop, students will learn how to cast low-temperature metals at home! Students will make sand molds and cuttlefish bone molds, as well as pour molten metal. Turn your kitchen into a foundry!
Images from past classes can be seen at:http://www.nikkiromanello.com/NikkiRomanello/TEACHING/Pages/PEWTER_CASTING.html
Class size: 6-8, hands on, no experience or materials required. Everyone will take home the cast objects they’ve made in class.”