Spy Invisible Ink Pen Dope Slime Includes just enough pieces to

Includes just enough pieces to be engaging without being overwhelming

Sticki Rolls are restickable and leave no residue

Create unique designs

allowing kids to practice letter recognition and writing skills

Spy Invisible Ink Pen Dope Slime Includes just enough pieces toWhether you're raising a young Sherlock Holmes or a future James Bond, your little investigator needs the high tech help of an invisible pen and UV light to reveal evidence and complete secret missions. This pocket sized pen is perfect for stealthy invisible message writing on the go. And the UV light illuminates other items that glow! Requires 1 AAA battery, not included. Ages 8+