Believe these are Blenko glass ball measuring about 3". Have many other colors and sizes in other listings. All purchased at an old estate. Price is for 1 yellow ball, other colors and sizes are in separate listings.

Brand: Blenko
Type: Decorative Ball
Color: Yellow
Theme: Colorful
Material: Glass
Production Style: Art Glass
Subject: Balls
Handmade: Yes
Vintage: Yes