Spherical Mass Set - ME-8968



This spherical mass set includes four balls with a diameter of 25 mm each, but featuring various masses and rotational inertias.

Typical Applications

  • Race the hollow steel ball and solid aluminum ball down an incline.
  • Fire the yellow plastic, solid steel and hollow steel balls from a PASCO short- or long-range projectile launcher.


  • Solid Yellow Nylon Ball (10 grams)
  • Solid Steel Ball (66 grams)
  • Hollow Steel Ball (21 grams)
  • Solid Aluminum Ball (24 grams)
  • (release mechanism not included)