Drilled Wood Ball, 19mm Diameter, Each

Details:

These balls are ideal for various classroom experiments. Hooked or drilled balls are suitable for pendulum experiments, while solid balls can be used to investigate acceleration down a ramp or collisions. They come in a range of styles, including solid, hooked, and with a hole, as well as a variety of materials. The drilled balls feature a 3mm countersunk hole, allowing pendulum cord knots to be recessed.