Premium Tumble Stones - Lingam TumblePeople enjoy Ancient Wisdom Dropshipping Large Tumbled Stones because they are beautiful natural materials that have been given a pleasing shape and a bright polish. They are popular in jewellery, craft, souvenir, awards, collectable.  Many people enjoy collecting interesting rocks. Tumbled stones are an easy and inexpensive way to start a colorful. The are approximately 15mm - 20mm per stone. * Please note these are no longer sold in single pieces. These are now packed in 4s.