AM Radio educational kit By utilizing a single IC AM to carry out both tuning and amplification of AM radio frequency, the construction time for this kit is reduced to a minimum.  Ideal for a class-room project, and includes all the components required to construct including miniature speaker, and assembly instructions.  Requires 6V battery or power supply (not included).  Technical Specifications: - Power supply : 6 VDC. - Electric current consumption : 70 mA. (max.). - IC board dimension : 3.51 in x 2.24 in.