A lot. The luminous balloon, also known as "bobble ball", is a transparent balloon made of rubber, and its diameter is 30 cm after inflation. Very popular with children, Jiaozhou Night Market is sold by many people. Jiaozhou city is a county-level city under the jurisdiction of Shandong Province, managed by Qingdao, located in the east of Shandong Province, southwest of Shandong Peninsula, west of Qingdao and northwest of Jiaozhou Bay.