The Fun in Motion Toys Spinballs LED Rechargeable Poi Set is an activity you can progress with to challenge yourself. Each Spinballs poi set comes with 2 poi balls attached to adjustable leashes with comfortable finger loops. The Spinballs light-up and are rechargeable with USB. Each ball changes color and features 22 colorful light modes, including a customizable mode. Create glowing light trails at night with Spinballs LED Poi! Poi is Maori for ‘ball on a string.’ This set of glow poi are attached to adjustable leashes and light up the entire spectrum of the rainbow! Spin them around in rhythmical and geometric patterns similar to Tai Chi to create a visual effect.