Craft production was an important part of the Harappan economy. Bead and ornament making, shell bangle making and metalworking were the major crafts.  

• They made beads and ornaments out of carnelian, jasper, crystal, and steatite, metals like copper, bronze and gold and shell, faience and terracotta or burnt clay.  
• The beads were made in innumerable designs and decorations. They were exported to Mesopotamia and the evidence for such exported artefacts has been found from the excavations in Mesopotamian sites. 
• Certain Harappan sites specialized in the production of certain craft materials. The following table presents the major centres of craft production. 

Source: NCERT