The listing, DIY Floam has ended.
Floam is like slime with polystyrene beads in it, that kids can mold into shapes. You can sculpt with it or use it to coat other objects. You can store it to reuse it or allow it to dry, if you want permanent creations. It's a lot of fun, but not always easy to locate. I've seen it in some stores and online, but you can make a type of 'Floam' yourself. As with slime, it's very safe, though anything containing food coloring can stain surfaces.