A super special pen that writes with invisible ink that can only be revealed under ultra-violet light! This set comes with a pair of refills as well as an ultra-violet torch that can be used to make the pen ink visible.
Pen measures 19cm long and can be clipped to the torch to keep them together. Torch comes with a battery. For ages 5 years and upwards.
Jollys says "Just brilliant as a party gift! Write secret messages to pals and no-one can decipher them but you!"