A cross between a giant marble and a snow globe the Rheoscopic Balls are mesmerizing and if you like this sort of thing you won't be ale to put them down.
Rheoscopic fluid literally means “currently showing” fluid. This liquid can effectively visualize the state of liquid flow, such as convection and laminar flow.
Choose from 6 different planets:
A good unusual gift for someone tha likes this sort of thing, a good desk object
Got this for Christmas, if you are the sort or person that can stare at something for hours then this is for you!
Packaging poor but the globes are very good, you can stare at them for hours!