Amazon.com: Sakura SumoGrip Block Eraser - Microporous Erasers for School, Drawing, and Writing - Black Color - Small Size B80-3 Pack : Office Products
Amazon.com : Faber-Castell 0.5mm 2B Black Polymer Mechanical Pencil Lead Refills (4 tubes, 20 Leads Per tube) Plus1 Dust Free Eraser Plus 1 Kneaded Art Eraser Set : Office Products
Amazon.com: Pebeo Drawing Gum Made in France - Masking Fluid for Watercolor Painting and Various Art Projects - Bundled with Moshify Applicator Brush Set