Look at what preK-6 Mexican teachers did in my recent PBL 360 workshop in Guadalajara. This was their first experience with engineering, physical computing, and programming. They designed, created, and programmed these "birds" in less than two hours with the Hummingbird Robotics Kit and SNAP!
The prompt was simply, "Make a Bird. Singing and dancing is appreciated."
There was no instruction. The entire project was completed in under two hours - roughly the equivalent of two class periods. For more information, see cmkfutures.com