Send your own super secret messages with these fabulous invisible ink pens, featuring UV torch lids that emit a special ‘blacklight.’ Simply write your message, then switch on the torch and shine the blackight UV beam to reveal your secret. Perfect for secret messages to friends, prenteding to be a secret agent or planning surprises! Product Information: • Secret Message Pens • Invisible ink with UV torch • Batteries included • Pack of 2 • Age: 6+ Warning: This product contains small parts. Not suitable for children under 3 years - choking hazard.