This toy is a version of the traditional stacker toy where the rod has a thread, allowing any shape placed on top of the rod to spin to the bottom.
The child simply places any of the shapes on top of the rod and connects the rod to the shape’s hole. The child then observes the shape twirl to the bottom. There are different shapes (all different colors) that the child can observe spinning down the rod, but he or she will realize that at a certain speed, the shape will have a circular illusion to it as it spins.
This rod and different shapes will mainly be made of a durable plastic (possibly polypropylene).
