If you have played with the Makey Makey classic set, you know that it would be great to have a large classroom demonstrator for the front of the room! You can plug into this and use it to control your computer or smart board! You can also use it to play games or demonstrate programs in Scratch!This package includes the modified directions to make this industrial strength board. The package also includes the 3D printable .stl files for the arrows, space/click keys, and a frame to protect the PCB