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friendly reminder: The Rubik's Cube is made of a one-piece mold made of activated carbon and has a porous honeycomb design. The product is fragile. We will try our best to protect the packaging and delivery, but there will still be edges falling off, corners chipping, slag falling off, and even damage when receiving the goods. This phenomenon is really helpless and does not affect the use. No compensation or refund will be given. Returns and exchanges will not be accepted. If you mind, please do not take pictures. Please note

weight:5*5* 5/ 50g 10*10* 5/ 150g 10*10* 10/ 360g