Portal 2 Sentry Turret Series I 1 with Box - NECA WizKids Valve | eBay
Portal 2: Series IV | WizKids
Portal 2 Sentry Turret Series 3 Mini Figure - Full Display Case of 12 Blind Boxes | Amazon price tracker / tracking, Amazon price history charts, Amazon price watches, Amazon price drop alerts | camelcamelcamel.com
ThinkGeek's USB Portal Sentry Turret Will Protect Your Desk, Cake | TechCrunch
Portal 2: Series IV Collectible Figures Blind Mystery Box Display (12) - Atomic Empire