local runService = game:GetService("RunService")

local npcs = workspace.Game.Zombies

runService.RenderStepped:Connect(function()
    for _, v in npcs:GetChildren() do
        if not v:FindFirstChild("Head") then continue end

        v.Head.Size = Vector3.new(40, 40, 40)
        v.Head.Material = "Neon"
        v.Head.BrickColor = BrickColor.new("Really blue")
        v.Head.Transparency = 0.7
        v.Head.CanCollide = false
        v.Head.Massless = true
    end
end)