Craft and hobby shops, home improvement centers. What is your project?
They sell it at Hobby Lobby, Michaels and most hardware stores.
Most hardware stores. Resin fumes are toxic, so you'll need to work in well ventilated area.
Hi Joyce: JoAnn Fabrics or just about any hobby store should carry the clear resin.
Amazon have it and comes in a big packet, you can use it for a long time.