Moses Top Secret 2-in-1 secret code pen A real detective can't do without a secret code pen. Write down your discoveries with this pen, only when you shine the UV light over the text you will see what it says. At the other end, there's an ordinary ballpoint pen Specifications: Colour: black Gender: junior Material: plastic Length: 15 cm Language on packaging: German, English, French, Spanish, Dutch Age: from 5 years old