Ghostwriters Thinking Putty - Invisible Ink

Ages 8 and up. Warning: Choking Hazard - Small parts, not for kids under 3. Invisible ink has a cool history dating back to the 4th century BC and is often used for secret info. There are many ways to make and read it, like using heat and lemon juice. Our Invisible Ink Thinking Putty uses UV light to show blue ink on green paper. Write with the Glow Charger and watch your words fade away. Color: Lime Green, turns Dark Blue when charged. Made of non - toxic silicone. Each tin has 1/5 lb (3.2 oz) of Genuine Crazy Aaron's Thinking Putty. It never dries out, is proudly made in the USA, and is produced with the help of people with disabilities. It's poppable, sculptable, and bounceable.

How to use: First, take out the putty from the tin. Use the Glow Charger to write on the putty. As you write, the words will show up as if in blue ink on the lime - green putty. Then, just wait and watch the words disappear. Things to note: Keep this product away from children under 3 years old because of the choking hazard. Also, don't let it get into your eyes or mouth. Maintenance: Since the putty never dries out, you just need to put it back in the tin after use. Store it in a cool and dry place to keep it in good condition.