Unleash your child's inner spy with the SpyX Invisible Ink Pen, the perfect tool for imaginative role play and exciting secret missions! Crafted meticulously for young agents, this pen allows your kids to write invisible messages that can only be revealed under the provided UV detection light. This thrilling feature not only makes playtime fun but also keeps your young one engaged in decoding and secret-sharing activities, fostering their problem-solving skills and creativity.The SpyX Invisible Ink Pen comes with an inventive design featuring a hidden compartment, perfect for storing secretive notes and messages. Included in the kit are essential note papers specifically for this purpose, enhancing the overall espionage experience. Equipped with 3 x LR43 batteries for immediate action right out of the box, this pen is ready for any secret mission your child can imagine.What sets the SpyX Pen apart is its careful consideration of both safety and usability. The ink is safe for children and the pen's operation is simple enough for young novices yet engaging for older children. Durable and portable, it is designed for little hands and can easily be carried on various adventurous ventures or packed away for covert operations. Whether at home, in the garden, or during a school activity, the SpyX Invisible Ink Pen brings a unique educational twist to playtime, encouraging communication and strategic thinking.