SpyX / Spy Pen Toolkit - Pocket-Sized Gear for Spy Kids. Disappearing Ink Pen, Motion Detector, Flashlight, Telescope, Light Bending Tube. STEM Learning For Young Detective Role Play. Pocket size spy tool - spy pen toolkit is the ultimate spy toy gadget designed for spy kids who love adventure and role-playing. This multifunctional kit includes a real working pen with disappearing ink, a motion detector, flashlight, telescope, and light bending tube. Compact and portable, it fits into a pocket-s