These two tone glow in the dark Slugapillars are the latest trend in fidget toys. When the toy is shaken it makes a very pleasant sound, is very flexible and can rotate 360 degrees. It feels very comfortable to hold in your hand, with no edges and a smooth surface. It is a great sensory toy and helps to reduce anxiety and stress. Once you hold it, you cannot put it down. Makes for great gifts, parties favors and all around good fun.