Licensed Invader Zim - Domination Zim! 1.75" Collectible Pin Go to amazon.com Related posts Which is the best collectable pins? FeatureOfficially Licensed Invader Zim PinManufactured by Zen Monkey StudiosEstimated 1.75" inches in heightSoft enamel pin. DescriptionInvader Zim looming over the earth as a soft enamel pin.