A comparative study of tools of all three periods of Stone Age is as follows:

Old Stone Age

1. The tools made during the Palaeolithic Age were very crude. 

2. Tools were made from any material that was commonly available from nature eg. bones, sticks, twigs and stones. 

3. They used the percussion technique to make tools like choppers, hand – axe, cleavers and scrapers.

Middle Stone Age :

1. The tool making devise had been revolutionized during this period. 

2. Man devised a technique of obtaining long and narrow blades of stone. 

3. He made various implements which were sharper, symmetrical and light-weighted than the earlier age. 

4. He made tools like knife, scraper, borer, chisel etc. 

5. He also recognized the quality of stones and began to use ivory and rare stones of quartz for making tools. 

6. He used ‘microliths’ to make arrows. He also made implements like knife and sickle.

New Stone Age : 

1. The tools made during this age were sharper and more polished.

2. Man now made use of a tool-making technique where stone tools were polished to give a smooth and shiny finished look. 

3. Since hunting became a secondary occupation, man in this age concentrated on making implements for agricultural use.