The SpyX Micro Gear Set includes all of your essential micro tools to play spy. Set Includes: Micro Ear Light (light to help you see in the dark), Invisible Ink Pen (write and decode secret messages) , Micro Motion Alarm (detects motion or vibration!), and the Micro Listener (hear things from far away). Watch your junior agent play spy for hours at a time- this set of spy tools comes with endless possibilities! For ages 6 and up. WARNING: CHOKING HAZARD - Small Parts. Not for children under 3yrs.