WD 40!

Wow! I had no idea that this stuff was so versatile. Official List of 2000+ Uses

From Gum, Sticker and Crayon Removal, to Cleaning Grease and Corrosion Protection!

• Removes crayon from carpet
• Removes coffee stains from floor tiles
  
• Removes marks from floors left by chair feet
  
• Removes adhesive price tags from shoe bottoms
• Cleans black streaks from hardwood floors
  
• Removes paint from tile flooring
  
• Removes rust stains from floors after mopping
  
• Removes mascara from tile floors and mirrors
  
• Removes felt pen marks from floors
  
• Removes rollerblade marks from kitchen floors
  
• Removes sticker residue from clothes
  
• Removes permanent ink from most items
• Removes grime from grout on bathroom floors
  
• Removes nail polish from hardwood floors
  
• Removes tile adhesive from new no-wax floors
  
• Removes crayon from inside clothes dryers
  
• Removes crayon from walls
• Lubricates screws on lawn furniture
• Removes crayon from wallpaper
• Removes crayon from compressed wood furniture
• Removes crayon from plastic
• Removes crayon from shoes
• Removes crayon from toys
• Removes crayon from chalk boards
• Keeps sewing needles from rusting
• Removes adhesive from precious china
• Helps prevent rust on hide-a-key containers
• Cleans and protects medicine door latches
• Cleans piano keys
• Removes crayon from television screen
• Lubricates zippers

Another product, that I have several cans of, is Spot Shot. It is an amazing stain remover. It gets old dried paint out of carpet like nothing else. I have to wonder what's in it...