Magic Joke Pen Mystical Invisible Ink.
- Gender : Unisex
- Age Range : > 3 years old
- Warning : do not eat
- Dimensions : 14.5 cm
- Battery : no
- Mfg Series Number : Toy
- Model Number : Magic Pen
- Theme : Horror
- Brand Name : DIWEINI
- Material : Plastic
- Plastic Type : ABS
- The characteristics of 1 : Prank and Funny Toy
- The characteristics of 2 : Disappearing