- Check out these awesome additions to our Sensory Spiral collection and prepare to be mesmerized as you turn these tubes upside down and watch the glitter sparkle as it spirals down at the same time as the inner gravity-defying colored-sand erupts upwards! This new truly satisfying sensory toy can be used as a timer, to take your mind off something and relax or to just enjoy the visually stimulating sensory experience! - 4 Assorted Styles