This bulletin, the first of a series, considers the importance of a physical environment planned especially for kindergarten children. The creative use of space within the classroom and outdoors is discussed. Suggestions are given for furnishing interest centers such as a housekeeping area, a science counter, and a painting area. Guidelines for selecting equipment list specific materials needed for academic activities, water and sand play, and science experiences. Outdoor equipment, audiovisual aids, and standard classroom materials are considered. A bibliography of essential books for the teacher's library is included, as well as suggested volumes for 4- to 6-year-olds. An overall cost estimate for equipping a kindergarten is provided. (DR)