Material: Alloy 

 Size: 

(small pearl models) about 8.5cm long, pearl diameter is about 0.4/0.6/0.8cm, weight is about 7.4g 

 (large pearl model) about 8.5cm long, pearl diameter is about 0.6/0.8/1.2/1.6cm, weight is about 12.7g 

 (Pearl zircon) is about 8.4cm long. Pearl is about 1cm in diameter and weighs about 9.76g.