If you’re interested, jump to ThinkGeek for more details. The life-size Portal 2 inflatable sentry turret is priced at $24.99 USD. Most importantly, you can take it to swimming pool in order to lock your target, initiating an attack with the sentry turret filled with your hot air. Apart from that, the inflatable Portal turret measures 40 inches tall, so you can use the life-size sentry turret to protect your home. As we can see from the images, the inflatable toy is shaped as an iconic sentry turret originated from the universe of Portal, and comes with nice details and accurate color scheme. This is an officially licensed inflatable toy themed by the well-received video games Portal and Portal 2. But if you want, the life-size Portal 2 inflatable sentry turret may be more suitable you. Apparently not every one is able to create a life-size Portal turret replica.