Unleash your inner spy with Crazy Aaron's Invisible Ink Thinking Putty II020! This amazing putty offers a world of fun and learning.
• Long - standing History: Invisible ink has a fascinating history dating back to the 4th century BC. Now, you can experience it in a unique putty form.
• Sensory and Strength Building: Ideal for building hand and finger strength, it provides a tactile play experience for those with sensory integration issues.
• Safe and Durable: Non - toxic, never dries out, and leaves no sticky residue. Great for both kids and adults!
Use the Glow Charger® to write secret messages that seem to disappear into thin air under ultraviolet light. It's like having a piece of the spy world right in your hands!
- Collection: Glow
- Includes tin with 1/5 lb. (3.2 oz) of putty and a Glow Charger®
- Color: Green that glows dark green
- Features: Glow - in - the - dark, Stretchable, Sculptable, Soft Texture
- Materials: Non - toxic silicone
- Ages: 3+
- ⚠️ Warning: Choking Hazard. Contains Small Parts
- ⚠️ Warning: UV emitted from this product. Avoid direct eye or skin contact with light. DO NOT aim light at people or pets.
- Never dries out
- Proudly made in the USA
- Manufactured with the help of exceptional individuals challenged with disabilities
- Item #II020
- Putty
- Crazy Aarons
- FREE tech support 1 - 877 - 729 - 2099


Use this Crazy Aaron's Invisible Ink Thinking Putty for secret message writing, sensory play, or just for fun. It's perfect for kids aged 3 and above, as well as adults who want to have a bit of a spy adventure. Each tin comes with 1/5 lb (3.2 oz) of putty and a Glow Charger®. The putty is green and glows dark green in the dark, and it's made of non - toxic silicone. Remember, it's a choking hazard due to small parts, and you need to be careful with the UV light it emits.