Self-contained teaching kits comprised of prerecorded CDs, DVDs and computer disks featuring instructional materials for various general subjects at the secondary and college level, said instructional materials containing, for each topic, student reading materials, review questions on the student reading materials, answers to review questions, notes for a teacher to give to students on the topic, work assignments, tests on the student reading materials and the notes, and a short video presentation on the topic
Electrical and Scientific Apparatus