MR / Schenectady, NY.Yates Arts-in-Education Magnet School.Full-Day Pre-K class; urban school.State Funded through NYS Universal Pre-K Program.Diverse group of students uses blocks to make a slide to roll round objects down at free playtime. Unstructured, student-run activity develops cognitive and coordination skills as students design and build the ramp; observe and visually track the rolling object; then draw conclusions about round objects, straight surfaces, and downward motion..MR: AE-pkf.©Ellen B. Senisi