The Evasive Beeping Thing is appropriately named, since it dutifully does exactly what its name implies: it sends out a 5-second, high-pitched beep every few minutes.
The thumb piano, known as a kalimba, mbira, and by many other names, is a lamellaphone that uses prongs called tongues, keys, or tines that you pluck to generate acoustic vibrations.
I demonstrate how to transfer a file from SketchUp, to be cut by a laser cutter in pieces using the Slice Modeler plugin desinged by TIG from http://www.cad-addict.com.