Build Script

--Insert in a LocalScript inside of StarterPack
local player = game.Players.LocalPlayer
local mouse = player:GetMouse()
local val

mouse.Button1Down:connect(function()
	if mouse.Target and mouse.Target.Name ~= "Baseplate" then
		local block = Instance.new("Part", workspace) -- new Block
		block.Anchored = true
		block.Size = Vector3.new(4,4,4) -- block size
		block.BrickColor = BrickColor.White()
		block.Name = "TempBlock"
	end
end)

mouse.Button1Up:connect(function()
	if mouse.Target and mouse.Target.Name ~= "Baseplate" then
		local foundBlock = workspace:FindFirstChild("TempBlock")
		foundBlock.CFrame = CFrame.new(mouse.Target.Position) + Vector3.new(0,4,0)
		foundBlock.Name = "PlacedBlock"
	end
end)

mouse.KeyUp:connect(function(k)
	local key = k:lower()
	if key == "r" then
		if mouse.Target.Name == "PlacedBlock" then
			mouse.Target:Destroy()
		end
	end
end)