Try reviving your dried up markers before thawing them out. Check out this video and learn how we did it.
Reviving Dried Out Pens
Can You Refill Plug-in Air Fresheners?
Making Watercolor Paints with Dried Up Markers
New Gel Glitter Pen Not Working?
Reviving Ball Point Pens
Getting All the Lotion Out of a Bottle
Reviving Dry Erase Markers
