Quick Answer: The Molecular Model Set with 76 Plastic Spheres is a ball-and-spoke set with 76 plastic spheres and 102 plastic connecting rods, supplied in a storage case.
Last updated: October 2026
Key Features
76 plastic spheres and 102 plastic connecting rods
Balls 23mm in diameter; the 30 hydrogen balls are 17mm
Builds most organic molecules and usual inorganic molecules
Also makes crystal structure models
Storage case included
Technical Specifications
Specification
Value
Type
Ball-and-spoke
Spheres
76, plastic
Connecting rods
102, plastic
Ball diameter
23mm (hydrogen: 17mm, 30 pieces)
Storage
Case included
About This Product
The smaller hydrogen balls help students tell hydrogen atoms apart at a glance when they build organic structures. The same pieces can be arranged into repeating units to show how simple crystal lattices are made.
Frequently Asked Questions
What size are the balls in the Molecular Model Set with 76 Plastic Spheres?
Balls are 23mm in diameter, except the 30 hydrogen balls, which are 17mm.