"make the player deal 6 damage every 4 seconds and make a green ball spawn in a range around the player position in a 5 to 35 stud range that heals the player when touched 12 hp and then deletes the touched part and make one spawn every random 1 to 10 seconds"

```lua
-- server script for dealing damage 
local Players = game:GetService("Players")

local function dealDamage()
    while wait(4) do
        for _, player in ipairs(Players:GetPlayers()) do
            if player.Character and player.Character:FindFirstChild("Humanoid") then
                player.Character.Humanoid:TakeDamage(6)
            end
        end
    end
end

spawn(dealDamage)

-- server script for spawning healing balls 
local function spawnHealingBall()
    while true do
        wait(math.random(1, 10))
        local ball = Instance.new("Part")
        ball.Shape = Enum.PartType.Ball
        ball.Material = Enum.Material.Neon
        ball.Color = Color3.new(0, 1, 0)
        ball.Size = Vector3.new(2, 2, 2)
        ball.Position = Vector3.new(math.random(-35, 35), 10, math.random(-35, 35))
        ball.Parent = game.Workspace

local function heal(player)
            if player.Character and player.Character:FindFirstChild("Humanoid") then
                player.Character.Humanoid.Health = player.Character.Humanoid.Health + 12
                ball:Destroy()
            end
        end

ball.Touched:Connect(heal)
    end
end

spawn(spawnHealingBall)
```