One hundred 10th grade non‐college‐bound students were randomly assigned to receive two alternative types of materials: (a) experimental—an Electronic Technician Kit which required students to use an actual ammeter in solving problems representative of that occupation; and (b) control—a kit virtually identical with the experimental treatment except that no meter was provided. The experimental subjects reported more enjoyment, wanted more information about an electronic technician career, wrote more questions about careers, and signed up to take more additional career kits than did the control subjects. However, the number of measured exploratory activities during the week after the treatments was too small to test for statistical significance.