- This beautiful experiment contains a sample of gold rheoscopic fluid.
- Once made up the non-toxic, rheoscopic fluid is remarkable lovely as it shows the molecular motion of water inside the bottle.
- The kit not only talks about vortexes but also contains experiments and information about convection currents.
- You need to add water and two plastic drink bottle of the same size.
- Use smaller bottles for smaller children.
- Connector colour may vary.