2 pens with invisible ink, ink is revealed using the light in the pen cap.
- Each pen uses 3 LR41 Lithium batteries which can be replaced by unscrewing the top section of the pen
WARNING! Choking hazard, small parts, keep away from children under 3
Material: Card, Electrical, Ink, Plastic
Measurements: Width: 5cm, Length: 16cm, Height: 2cm,