200in1 Electronic Project Lab Product# MX907 $79.95  Free Shipping Build your own radio, AM broadcast station, burglar alarm, electronic game, ohmmeter, telegraph, rain detector, amazing sound effects, and much more! Learn about transistors, transformers, diodes, capacitors, oscilators, basic electronic circuits, and schematic symbols. lncludes built-in speaker, earphone, meter, seven- segment LED digital display, out-front controls, and more! Easy-to-read, illustrated, lab-style manual included. Uses spring hook-up method. Over 200 Experiments w/ Instructions Requires 6 "AA" batteries