The Mr. Circuit II - Digital Magic Lab is a fun, effective tool for introducing students to the world of digital electronics.  Each excercise is complete with explanation, procedures and summary along with schematic and wiring diagrams for building each project on the solderless circuit board.  Students learn about binary numbers, digital signals, logic gates and how digital circuits are designed.  The lab comes with the manual, all parts needed to perform the experiments and a solderless circuit board.  This course is a definite "must have" for the electronics classroom.