Replacement Balls, Set of 2 - Steel Ball (0.5") and Plastic Ball (0.43") - Visual Scientifics by Eisco

Replacement balls for use with Visual Scientifics experiment systems, and useful for many other laboratory demonstrations. Set includes 2 balls - one steel ball measuring 0.5", and one plastic ball measuring 0.43".

These replacement balls are particularly useful in Visual Scientifics PT2SCO collisions in 2D, PTLOP loop kit, and PTPROJ launcher. The balls can be used for free-fall experiments, as projectiles, or in free fall and ramp experiments. Suitable for high school and college students, or ages 14 to 21.