How to script a tool to make items appear?

I've been trying to make a building planner and I made it but I can't figure out how to script something into to my building planner can build a foundation. Any help on how to script this?

Create a tool first, game>StarterPack>Tool Next.... We create a script

local sp = game:GetService("StarterPack")
local tool = sp.Tool
local function
tool.Equipped:Connect(function()
	tool.Activated:Connect(function()
		local part = Instance.new("Part",workspace)
		--[[
			Properties:
 			part.Material = Enum.Material.MaterialHere
			part.Anchored = true or false
 			and a lot more if you do know
		--]]
	end)
end)