✞A classic skill game you need a steady hand don't touch the wire otherwise you will make a buzzing sound The gameplay is simple the handle does not touch the wire and the game is unlimited as long as it passes smoothly ✞Safe and reliable powered by button battery no harm to human body The size is about 17513cm669197512in Recommended for children over 3 years old ✞Handeye coordination and fine movement develop large and small muscles strengthen the brain's ability to control the hand stabilize the ability and exercise the flexibility of the hands ✞Concentration ability to hone willpower patience and concentration training improve children's ability to eliminate interference and overcome inner anxiety Strengthen the ability to resist stress experience tension cultivate a good attitude and calm thinking in a stressful and stressful environment ✞Very suitable for family gatherings bar toys adult children's toys