Explore the surrounding sounds that everyday objects make. Build a noise contraption from these objects, then add a PicoCricket to automate your contraption. Finally, add a light sensor and program your sound automata to "play" when triggered by light.
The Exploratorium’s Mind collection showcases dozens of interactive exhibits and artworks that let you explore your own thoughts and feelings. While you're on the website you can play with interactives and ponder explorations of the mind.