Try and say the colors (not the words) in
order out loud as fast as you can
blue, green, yellow, red, pink, purple, pink, pink, red, green, blue,
black, green, red, yellow, green, yellow, blue, blue, red, green, pink,
blue, green, purple, green, blue, red, red, red, blue, pink, yellow,
orange, blue, purple, black, red, yellow, orange, black, purple, red.