Product Information: ..
The Experiment Set Mechanics of Liquids combines important components of the following experiments:

8001186; UE1080500-230 Experiment: Surface Tension (230 V, 50/60 Hz)
8001187; UE1080500-150 Experiment: Surface Tension (115 V, 50/60 Hz)

For better storage, the components are in a case.

The case includes the following components: ..
1 Surface Tension Ring
1 Plastic Trough
1 Spoked Wheel
1 Stem for Spoked Wheel
1 Friction Determination Body
1 Cord, 10 m
1 Storage Case