Everything under the sun packed into a powerful Spinner! Auto-start with built-in pretensioner allows for a quick, easy start by simply rolling back and release. Mutil-light LED lights up your exercise routine with multiple colors. Digital LCD counter tracks your speed and progress. The Winners Roll N Spin Rainbow Lit Spinner changes color is as advanced as it gets. Comes in a beautiful purple plastic shell. - AutoStart with internal pre-tensioner, just roll back the rotor in the direction of the arrow on the rotor or against the internal resistance, when sufficient tension is achieved, just release and enjoy. - Computer balanced inner gyroscopic rotor. - Purple Multi-LED Spinners lights up in various colors as speed increases. - Break-Resistant structure with Military-grade plastic shell; Reversible inner tracks make 2X Lifespan. - Performance Digital LCD counter displays various vital workout info. - Small, compact exercise machine you can take ANYWHERE; Provides up to 24.3 lb-in of torque at 10,000 RPM. Dimensions:. Length: 5. Height: 4.5. Width: 3- SKU: NSDP035