Thames & Kosmos Spy Labs: Invisible Ink Pen & UV Light cuddly dog toy Let your creative mind go

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Thames & Kosmos Spy Labs: Invisible Ink Pen & UV Light cuddly dog toy Let your creative mind goWhether 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. From Thames & Kosmos, for ages 8+ yrs.