Rex - Secret Agent Invisible Ink Spy Pens (Set of 2)

2 pens with invisible ink, ink is revealed using the light in the pen cap. • Remove the white caps from the pen nibs before using for the first time • 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 Warning: • Button batteries are easily swallowed and can cause serious harm. • Check battery cover is secured correctly before use. • Keep batteries away from children.