Ball, steel, 0.5", pair

Individual steel ball. 1/2" diameter.

View Details

Individual steel ball that is 1" in diameter.

View Details

Big things come in small packages. Mini-but-mighty neodymium magnets measure only .5"x.5" but have a pull force of a whopping 22#! Use this 4-pack of neodymium disc magnets for physics experiments, crafts & more.

View Details

Get a set of Wood, Steel and Aluminum Balls with Holes. Each ball is 3/4" in diameter. Perfect for density measurements, as pendulum bobs, and for energy transfer experiments. They're a must-have for your physics lab!

View Details

Individual bolt. 2.5" long by 1/2" diameter shank.

View Details