This is a science study course from Educational Insights product number 7118, for use in class rooms, groups, and homes. It consists of a set of 53 reference cards, and a box. Each card has text, with the occational black and white illustration. The set has 3 cards that are not counted in the sets 50 numbered cards {1 title card, 1 Introduction card, and 1 Table of Contents card}. The box says it is "Individualized, Recommended for Grades 4-8". The cards look at many aspects of the human body, and experiments to show how it works.