Yealvin Gear Cube Set, Gear Speed Cube Set of 3x3 Gear Cube Cylindrical Gear Cube ...
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Product Details
As the name implied Gear cube uses gear mechanism while rotating.The middle part will rotate with the side rotation||This gear cube set is suitable for everyone who likes to challenge! Perfectly reduce stress, exercise brain, improve patience and memory||Take it and try it! This is an puzzle toy that can bring you happiness no matter when and where. You will like it