The importance of the availability of material resources in early childhood services, including children's and staff materials such as games and art supplies, books, blocks, toys, and other materials, should not be underestimated. When resources are stored in an attractive and easily accessible manner they are more likely to be used effectively. This booklet is designed to assist early childhood personnel in establishing effective practices for the organization of these resources. The booklet's contents are: (1) why organize?; (2) where to start; (3) setting up an inventory; (4) inventory categories; (5) children's books; (6) the book inventory; (7) classifying books; (8) storage of books; (9) puzzles; (10) acquisition of puzzles; (11) classification of puzzles; (12) storage of puzzles; (13) blocks; (14) storage of blocks; (15) care of blocks; (16) staff resources; (17) use of staff resources; (18) staff quiz; and (19) conclusion. (EV)