Bronze dates from the new stone age or neolithic period. In the old stone age or paleolithic period, tools were made only of stone (hand axes and arrow heads mostly).
The Stone Age is divieded to 3 prats: Paleoithic(old), Mesolithic(middle), and the Neolithic(new).
Hope it helps because you didn't explain the question very well.
The old stone age became the new stone age by going through the middle stone age. The difference has to do with the way the tools were made. The new stone age began with bifurcated stone arrows and...