ActivePeople Mirage Yo-Yo Spin Tricks Loop Routine Kids Educational Toy Mirage Yo-Yo Diameter: 61mm The Mirage yo-yo is a fully adjustable, futuristic ball bearing yo-yo By inserting steel balls the weight and playing behavior of the MIRAGE can be optimized for your personal playing style The width of the gap is also adjustable which gives the player complete control over his yo-yo