Decorative Pyramid Globes of the World on a Metal Base 19" This decorative three tier set of globes on a metal pedestal base. This is a perfect addition to add to your study, den or any room as a beautiful accent piece. Size: Smallest Ball: 3 Inches. Middle Ball: 4 inches. Largest Ball: 5 inches. Height: 19 inches. *Note: Globes are measured by diameter: A straight line through the widest point of the sphere. To help visualize, a basketball is about 10" in diameter, and a typical medium sized beach ball is about 16" in diameter.