Small Cobble Stone Generator in Mcpe

Step 1: First Thing

Place three blocks in a triangle type of shape (see photo)

Step 2: Next

Dig three blocks along from the triangle but miss one out (the one in the triangle) (again see pic)

Step 3: Adding Lava

Place the lava inside the triangle

Step 4: QUICK

Now quickly add the water at the far end of the hole you dug

Step 5: Finished

Now you should have an ultimate source of cobble!!