Update: Deal over.

Goo Gone on the Go Pen – Adhesive Remover – Link

Amazon has this currently marked down to only $2.98.

• Spot Remover – Perfect for quickly removing crayon and other stains from your clothing or surfaces
• Adhesive Remover – Remove adhesive residue from your surfaces on-the-go with ease
• Great Travel Accessory – Convenient size is designed for travel and tight places
• Works On – Gum, stains, stickers, adhesive, adhesive residue and more
• Safe To Use – On ceramic/porcelain, finished wood, painted surfaces, glass, grout, metals and plastics