This sensational device is a Must-Have gadget for studio audio specialists, professors, teachers, doctors, professional camera men, college students, sales managers, corp. directors, architectures, and all who attends seminars and conducts own presentations regularly. Bring it to seminars and clip on the transmitter microphone anywhere near the sp[Read More]

Free standard shipping - Master the real science behind electricity and have a blast doing it The Battery Science; Make Widgets That Work and Gadgets That Go book by Doug Stillinger, comes with just about everything needed* to conduct a series of fun experiments that explore the properties of batteries. Kids can build a snow machine that creates a [Read More]