How do i Save Models For My Game?

I'm trying to make a game and i need to be able to save model or part and load them. I tryde Making a part adding it into a table and then load it into the workspace

local numberarray = {}

function add()
    local Cat = Instance.new("Part")
    Cat.Name = "KingRaul"
    Cat.Parent = workspace
    Cat.Material = "Neon"
    Cat.BrickColor = BrickColor.new("Toothpaste")
    wait(5)
    print("Got it")
    table.insert(numberarray,Cat)
    print(numberarray[1])

    wait(5)
    for i,v in pairs(numberarray:) do
        v:Clone().Parent = workspace
        print("Going to Workspace")
    end
end
add()