Hunting and tools
Stone Age tolls usually looked like:

Here is a video about Flintknapping.
How To Make A Stone Age; harpoon, axe, hammer, drill, a bow and an arrow
Ingredients:
- 6 sticks(2 thin, 3 thick & 1 1/2 m),
- 2 bones,
- 4 flint(2 small and 2 large),
- 1 rubber tree root,
- 1 piece of string(around 1/2 a metre,
- 1 chamois cloth
Drill
- Make 2 holes on either side of the bone.
- Slot the root through the hole and tie them there.
- Wrap the root around the thick stick.
- You are done
Bow
- Get your 1/2 m stick.
- Check it's bendy enough.
- Make a slit 2cm below the tip.
- Tie the string on the slits and on the opposite side to them.
Arrow
- Get a thin stick.
- Make a slit at 1 end.
- Slot the flint in the slit.
- Now you can use it.
Hammer
- Get a thick/large flint.
- Knap it to the wanted shape.
- Put it on your stick.
- Tie a strand of chamois cloth onto them to keep them togther.
- You are finished.
Axe
- Take your flint.
- Knap it to the desired shape.
- Get your drill.
- Make a hole in the stick.
- Slot the flint in the hole.
- You are done.
Harpoon
- Sharpen the bone.
- Get a long stick.
- Tie the bone onto the stick.
- Go hunting!