Crazy Aaron's Thinking Putty Invisible Ink virus where architectural marvels and remnants

where architectural marvels and remnants of a grander time await

She is a member of the Academy of Spirituality and Paranormal Studies

Adjustable & Buckle Clip Strap: Customize the fit for your comfort and secure it in place

Hand Wash or wash on delicate and hang to dry

80-Page DK Book: Full of fascinating dinosaur facts and activities

Crazy Aaron's Thinking Putty Invisible Ink virus where architectural marvels and remnantsOften used to encode top secret information, invisible ink has a long and interesting history dating back to 4th century BC. There are all kinds of ways to make and read invisible ink (like heat and lemon juice), but our Invisible Ink Thinking Putty uses ultraviolet light to mimic blue ink on a sheet of green paper. Write with the Glow Charger and watch with wonder as your words evaporate into thin air! Thinking Putty Benefits Thinking Putty helps