Output comes up with "in 'pairs'(table expected, got nil)" What is wrong?

one = {script.Parent.One:GetChildren()}
two = {script.Parent.Two:GetChildren()}
three = {script.Parent.Three:GetChildren()}
four = {script.Parent.Four:GetChildren()}
five = {script.Parent.Five:GetChildren()}

function Blue()	
	for i,v in pairs(p) do
		v.BrickColor = BrickColor.new("Electric blue")
	end
end

function Green()	
	for i,v in pairs(p) do
		v.BrickColor = BrickColor.new("Lime green")
	end
end

function Yellow()	
	for i,v in pairs(p) do
		v.BrickColor = BrickColor.new("New Yeller")
	end
end

function Red()	
	for i,v in pairs(p) do
		v.BrickColor = BrickColor.new("Really red")
	end
end

function Black()	
	for i,v in pairs(p) do
		v.BrickColor = BrickColor.new("Black")
	end
end

while true do
    local p = one
	Blue()
	wait(0.25)
	Green()
	wait(0.25)
	Yellow()
	wait(0.25)
	Red()
	wait(0.25)
	Black()
	wait(0.5)
end

while true do
	local p = two
	Green()
	wait(0.25)
	Yellow()
	wait(0.25)
	Red()
	wait(0.25)
	Black()
	wait(0.25)
	Blue()
	wait(0.5)
end

while true do
	local p = three
	Yellow()
	wait(0.25)
	Red()
	wait(0.25)
	Black()
	wait(0.25)
	Blue()
	wait(0.25)
	Green()
	wait(0.5)
end

while true do
	local p = four
	Red()
	wait(0.25)
	Black()
	wait(0.25)
	Blue()
	wait(0.25)
	Green()
	wait(0.25)
	Yellow()
	wait(0.5)
end

while true do
	local p = five
	Black()()
	wait(0.25)
	Blue()
	wait(0.25)
	Green()
	wait(0.25)
	Yellow()
	wait(0.25)
	Red()
	wait(0.5)
end