1. Name:: Volcanic eruption rock stone (without LED lights, please take another shot) Small size about 83 grams large size about 258 grams due to the size of the volcano weight difference needs a small friend, please contact customer service to modify the freight thank you! Type: Resin craft size (unit CM error 1CM): Small volcano size: bottom diameter 6.5cm high 4.5cm crater diameter: 2CM large volcano size: bottom diameter 16.5CM high 11.5CM crater diameter: 5.5CM Remarks: pro This volcanic stone is often used as a landscaping to connect the oxygen pump to the gas pipe, which will have a bubble effect