Features: 100% brand new and high quality ★Novel Stress Relief toys, unlike other Stress Relief toys ★One set includes a controller and four small steel beads. ★By repeatedly changing the orbit, the ball can run in the orbit continuously. ★One steel ball is the simplest and four are the hardest. Challenge it! ★By playing it, can train one's concentration, coordination and reaction speed. ★Adults and children both like to play it, relieve pressure and relax mood. WARNING：This toy is not suitable for children under three years old because of small parts. Color: blue,pink,green Material:plastic Sales Way : Retail, Wholesal,Drop Shipping size: One Size Length: 9cm (3.54in) Width: 5cm (1.97in) Height: 1cm (0.39in) Quantity: 1PC Note: If you have big quantity (over 50 dollars), please feel free to contact me, I will give you best discount, thanks! Size For Manual Measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: (Without retail package) 1 x 8 Track Stress Relief Toy