(1) The operator shall make accessible to a child only materials and equipment that are:

(a) developmentally appropriate;

(b) safe;

(c) in good repair;

(d) cleanable;

(e) nontoxic; and

(f) free from known hazards (such as lead paint, etc.).

(2) The operator shall provide to each group of children a sufficient quantity and variety of materials and equipment for activities according to the numbers and ages of the children in the group.

(3) Materials shall be provided for:

(a) vigorous play;

(b) creative and dramatic play;

(c) socialization;

(d) manipulation, including construction materials; and

(e) individual pursuits.