Parental supervision is recommended. A cape can be fashioned easily from black material or a black sheet. Socks can be dyed green first if you prefer. Put socks on, then wrap red tape around from bottom to top, to create a striped sock effect.
Paint face green and add dark smudges around eyes and mouth.
Use black lipstick and nail polish to finish the look. Carry broom and wear witch's hat. If weather is on the cold side, have child wear black or green tights under outfit. She and her husband live in southern Nevada. Otherwise, open it.