ZUNTENG Invisible Ink Pens, 28pcs Spy Pens with UV Light - Fun Activity for Secret Messages and Kids Goodies Bags

ZUNTENG Invisible Ink Pens, 28pcs Spy Pens with UV Light - Fun Activity for Secret Messages and Kids Goodies Bags

• Invisible ink - After writing, the ink will be invisible, unless you turn on the light on the cap to see the secret information perfectly
• Safety - your child's healthy toy! Suitable for T-shirts, paper, skin and any smooth, faded ink surface, permanent but washable
• For children - suitable for children's birthday gifts, holiday gifts, children will be very happy
• Warm reminder - children under 3 years old do not use, the product contains small parts
• Accessories - our pen comes with a battery, no need to purchase additional batteries, the insulating sheet between the batteries can ensure that the electric pen you receive is fully charged