Features:
100% brand new and high quality
★New anti-stress toys, different from other anti-stress toys
★ A set includes a controller and four small steel balls.
★By changing the track repeatedly, the ball can run continuously on the track.
★One steel ball is the simplest, four is the most difficult. challenge!
★Through playing, you can train your attention, coordination and reaction speed.
★ Both adults and children like to play it, reduce stress and relax.
Please note: This toy is not suitable for children under three years old due to its small parts.
Color: blue, pink, green

Material: Plastic