How to get spawning through a tool to work?

I have been trying to spawn my part through Instance.new with a tool but it justs DOES NOT work no matter how I try. It worked last time but now it doesn't.

Here's the code:

local tool = script.Parent
local handle = tool:WaitForChild("Handle")
local players = game:GetService("Players").PlayerAdded:Wait(20)
local char = players.CharacterAdded:Wait(20)
local head = char.Head

tool.Activated:Connect(function()
    local molotov = Instance.new("Part")
    molotov.Parent = game.Workspace
    molotov.Position = handle.Position
end)