How come my script won't create an explosion?

I've created a script that I thought should create an explosion inside the tool, but it won't work.

local function explosionTool()
	print("Explode?")
	local toolExplosion = Instance.new("Explosion")
	toolExplosion.Parent = script.Parent
end

script.Parent.Parent.Activated:connect(explosionTool)

The script is inside the Handle of the tool, but all it will do is the "print" part of the function. Why won't the rest of the function work?

Explosions won't position themselves to their parent automatically, you must do that part yourself by setting the explosion's Position property:

local function explosion()
	local blast = Instance.new("Explosion", script.Parent)
	blast.Position = handle.Position -- Make sure 'handle' is a BasePart.
end

tool.Activated:Connect(explosion) 

Make sure you replace all the variables with the objects you're working with.