The pendulum rod and masses can be purchased separately.
- 1x 38 cm Pendulum Rod (27 g)
- 2x 75 g Mass
WARNING: CHOKING HAZARD!
Small parts. Not for children under 3 years.
Requires one of these:
|Rotary Motion Sensor||CI-6538|
|PASPORT Rotary Motion Sensor||PS-2120A|
|Wireless Rotary Motion||PS-3220|