Today there are a number of 3D printing technologies that are low cost and within the budgets of middle and high school programs. Educational technology companies offer a variety of 3D printing technologies and parallel curriculum materials to enable technology and engineering teachers to easily add 3D learning activities to their programs. Students may begin 3D printing activities by printing ready made or teacher-made files and progress toward creating their own 3D modeling files and printing. While thermoplastic 3D supplies are relatively inexpensive, the time required to print complex and large objects can be quite demanding and take more than one class period to print. It is important that the technology and engineering teacher realize the printing times and advise students accordingly. The rover design addressed in this article does not require advanced 3D design and modeling skills, but rather offers a "beginning 3D" activity that maintains student interest and motivation. The rover project broadens the learning experience by incorporating an Arduino microcontroller board along with a compatible Bluetooth transceiver and motor control module. Students develop awareness about how to control devices and appliances using Bluetooth and microcontroller technologies, which is reflective of the trends in smart phone use today and in the future.