DjuiinoStar 10cm Spinning Top Base, -30cm Focal Length, Edge Polished, 3.93" Large Gyroscope Station (Help to Prolong Your Average Spinning Time Greatly), DSTB-1004;

WARNING: MADE BY GLASS, HANDLE WITH CARE.

Specifications:
Brand: DjuiinoStar
Model: DSTB-1004
Diameter: 3.93±0.05inch
Thickness at edge: 0.59±0.05inch
Focal lengths: -30cm and -50cm
Net Weight: about 0.54lb
Material: Glass

Packing List:
3.93" Spinning Top Base x1