Switch boxes and lock-and-latch boxes as well as nine different build-it-yourself musical instruments that are sure to inspire a whole houseful of racket, make up this fine tome.
The build-it-yourself (and eerily human-proportioned) construction can react to pre-programmed actions, text-to-speech conversion or live control, ranging from basics like the eyes and jaw to the eyelids, eyebrows, lips and neck of an Advanced Fritz.
Bach also touted a nifty new application called Kodu, a do-it-yourself videogame kit which teaches basic programming principles to kids and lets them build their own levels using a visual interface and simple commands.