Cbase

newbase = Instance.new("Part",workspace)
newbase.Locked = true
newbase.Name = "CBase"
newbase.Anchored = true
newbase.Size = Vector3.new(math.huge,1,math.huge)
local Brick = workspace:FindFirstChild("CBase")--Change To Brick
local speed = 5 --Change to speed you want
game:GetService("RunService").Heartbeat:Connect(function()
if not workspace:FindFirstChild("CBase") then
c = Instance.new("Part",workspace)
c.Anchored = true
c.Size = Vector3.new(math.huge,1,math.huge)
c.Name ="CBase"
Brick = c
else
c = newbase
c.Anchored = true
c.Size = Vector3.new(math.huge,1,math.huge)
c.Name ="CBase"
end
end)
while true do
    for i = 0,1,0.001*speed do
        Brick.Color = Color3.fromHSV(i,1,1) --creates a color using i
        wait()
    end
end