Roblox random colour changer script

-- Random colour changer: every part in the folder gets a new colour on a timer.

local FOLDER_NAME = "ColorParts"   -- a Folder in the Workspace that holds your parts
local INTERVAL = 3                 -- seconds between changes
local FADE_TIME = 1                -- seconds each colour takes to blend

local TweenService = game:GetService("TweenService")

local folder = workspace:WaitForChild(FOLDER_NAME)

while true do
	for _, child in folder:GetDescendants() do
		if child:IsA("BasePart") then
			local newColor = Color3.fromHSV(math.random(), 0.7, 1)
			TweenService:Create(child, TweenInfo.new(FADE_TIME), { Color = newColor }):Play()
		end
	end
	task.wait(INTERVAL)
end