Materials, electronics, and tools -- New conductive and smart materials -- Industrial materials -- Electronic components -- Your toolbox -- Technical primers -- Working with LEDs -- Building a simple circuit -- Choosing the best power supply -- The art of soldering -- The basics of screen printing -- Sewing soft circuits -- Troubleshooting circuits -- Wearables -- LED bracelet -- Rock star headphones -- space invaders tote -- aerial the birdie brooch -- Home accents -- Photochromic blinds -- Luminescent tea table -- LED chandelier -- Rock 'n' roll speakers -- Interactive toys -- E-puppets -- Glam the glo bug -- solar crawler -- smart mobile.