10PK Spare Molecular Model Balls with 6 Holes, 2.2cm - Yellow

Pack of 10 yellow molecular balls with six holes. Spare or replacement parts for use in molecular model kits. Made of high quality plastic. An essential piece of equipment for any chemistry student. Each ball measures 2.2cm (0.9") in diameter and each of the six holes measures 0.5cm (0.2").
Used to provide a visual and kinesthetic aid for studying the structure and properties of various molecules.