SnappyXO Projects is a companion app for SnappyXO STEM/Robotics Kit being manufactured and sold by Mechanismic Inc. This app shows a step-by-step graphical description of how to assemble various SnappyXO design and robot projects.
You will need a SnappyXO kit to be able to physically build models. Find yours at http://www.snappyxo.com