Amazon.com : Chalkboard Markers for Kids - Chalktastic Set of 8 Washable, Erasable Chalk Ink Dry Erase Pens for School, Chalkboard Menu Board & Glass Car Window - Neon, Pastel, White Chalk
VersaChalk Liquid Chalk Markers | BLICK Art Materials
Amazon.com : Vaci Markers Chalk Marker Set – 8 Liquid Chalkboard Pens, Magnetic Blackboard, 16 Labels & Drawing Stencils – Washable, Erasable Chalk Paint for Crafts, Signs, Glass Windows – Bright Neon Colors : Office Products