Here is a robot platform with walking, grasping and flight capabilities. The Picobug consists of one of the world’s smallest quadcopters with a lightweight walking mechanism and a gripper. The whole package weighs only 30g.
The Picobug has a max flight velocity of 5m/s and max crawl speed of 0.16m/s. It offers up to 6 minutes of flight time. The above video shows it in action.