NOTE: They are used. Came from a magician's estate.
Diameter 6 1/4"
Start with two bowls full of water. Pour the water out of both bowls, emptying them. Then, pour water from one bowl into another. WHAT? Where did that water come from?? Go ahead and pour MORE water from that bowl into the other one. And again! And again! Then, empty out both bowls. Pick up the second bowl- and pour water from that one into the first one! And on and on!
