How do you clean a kneaded eraser that has become moldy?

Premier® Kneaded Eraser, Rubber (Prismacolor) Product Description Size Large 1-3/4" x 1-1/4" x 1/4" Extra Large 2-1/8" x 2-1/8" x 3/8" Prismacolor Kneaded erasers are soft, mouldable and incredibly effective at removing pencil marks from paper. They come in three different sizes, the extra ... 18 pack colored of kneaded rubber erasers. Absorbent material erases and/or lightens charcoal, pastel, highlighting, chalk, colored pencils and graphite. Magic Rub Block Eraser ... This drafting eraser is excellent for erasing on drafting films, delicate drawings or tracing papers. ... Fine Vine Charcoal ... Bob's Fine ... Great for removing graphite, pencil and charcoal in subtractive drawing techniques. Kneaded erasers can be shaped for precision erasing and creating highlights. General's Kneaded Eraser, Jumbo ... Kneaded erasers are perfect for removing graphite, pencil and charcoal. They can be shaped and molded in your hand for precise ... Kneaded Rubber Eraser. This eraser kneads easily into any shape. As a non-abrasive eraser, it is excellent for removing foreign matters such as pencil marks, ... Watercolor sketchbook (Moleskine 5.5x8” or equivalent watercolor sketchbook). Drafting pencil (Pentel Sharp Kerry, 0.5 lead size). Eraser (Kneaded eraser ... A kneaded eraser is a flexible, shapeable type of eraser used primarily in drawing and sketching. Made from a rubbery material, it can be shaped into different ... Kneaded eraser: Design kneaded rubber eraser, Item #32365. MARKERS. Sharpie: Ultra fine point black permanent marker, Item #37101. Double point markers ...