The text seeks to help students reach, through about 90 hours of class instruction, to acquire a level of competency necessary to repair a piece of laboratory equipment or construct a simple piece of equipment. Tools are introduced as needed in each of three sections of the text: (1) woodwork and metalworking; (2) electronic circuits; and (3) glassblowing. The course is intended for undergraduate, preservice science education majors and graduate students in science education. (Author/RE)