Description

These replacement balls are intended for use with Visual Scientifics experiment systems, as well as useful for many other laboratory demonstrations. Set includes 2 balls: one steel ball (measuring 1/2 inch in diameter) and one plastic ball (measuring about 2/5 inch in diameter). Use balls for freefall experiments (like projectiles or free fall and ramp experiments) or with the following helpful Visual Scientifics sets (sold separately): PT2SCO Collisions in 2D; PTLOP Loop Kit; and PTPROJ Launcher. Suitable for high school and college students (or ages 14 to 21).