House of Clay’s new non-profit therapeutic clay agency, Say it with Clay, will hold its first fund raising event on April 5 from 10 to 5 p.m. The fundraiser, which takes place at House of Clay (644 Atlantic Ave, Collingswood) is a mask making event in which guests create and paint masks out of clay. Creators can then purchase it on the spot or donate it. Donations will be displayed stores on Haddon Avenue for sale throughout the month of May.