Who knew erasing could be so much fun? These
The Best Pens and Inks for Teachers
Make No Mistake Erasable Marke (Other)
Pilot 12ct Frixion Fineliner Erasable Marker Pens Fine Point 0.7mm Assorted Inks : Target
Ooly Make No Mistake Erasable Markers & Standing Sketchbook, Mess Free Marker Pack You Can Erase, Drawing and Coloring Pens for Kids, Colorful School Supplies, Set of 12 & Sketchbook