You have to see these in motion to believe it!As the wind turns the spiral, it looks as if the glass ball is falling out of the spiral. This is of course an illusion - the glass actually stays in the same place. 20" tall, 2 3/4" diameter ball
You have to see these in motion to believe it!As the wind turns the spiral, it looks as if the glass ball is falling out of the spiral. This is of course an illusion - the glass actually stays in the same place. 28" tall, 4" diameter ball
