Magnetic Steel Ball Maze Handheld Brain Teaser

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