The Interbotix Turtlebot 2i is a wonderful robotic platform with ROS support that lets you develop and test robotics applications. It is ready for obstacle avoidance, autonomous navigation, and manipulation. With the telepresence package, you will be able to drive your Turtlebot 2i from anywhere in the world and stay in touch with friends.
The kit comes with an Orbbec Astra Cam, Samsung tablet with 180-degree tilt, and open source software support. This video shows the robot in action.