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Gear Cube Extreme - Meffert's Anisotropic Rotation Brain Teaser Puzzle

Could be the hardest puzzle you ever solve! Ready to take it home for a round of challenge?

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Availability: In stock


Gear Cube Extreme will test the mettle of some of the best puzzlers.

This complex collection of colored and interlocking gears can get mixed-up very fast. As the puzzle is mixed-up the shape becomes very irregular Recommended for ages 12 through adult. This may be one of those puzzles that will finally give your "engineer" friend or family member a good challenge. A puzzle they will not solve in ten minutes!


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Refund/ Return Policy


Any product purchased through us can be returned for a full refund or exchange within 30 days from the date you made your order. Please read the below steps explaining how to exercise this.

1. Request a return number by e-mailing us or using on our website contact form before returning the product. Please include your name, order number, the reason for the return, and if you want to return for a full refund or exchange for another product. Within 1 to 2 business days after submitting the request you will be contacted via email with an RMA number and product return instructions.

2. Returned items must be complete condition and not missing necessary parts. When returning a product, please write your RMA number on the package.

3. We will not pay the return shipping costs for non-defective returns. It is also the customer's responsibility to ensure that the returned goods are packed properly. 

4.  Refunds will be issued back to the original payment method. The refund will be issued the same day as we receive your returned product.  If the product is not required to be returned, the refund will be issued on the same date as we specify to you by email.

If you wish to get a replacement of the same product because of a defective product after 30 days from the date you made the order, all products we sell come with our own 6 month replacement warranty from the order date.  Please email us with your order number and description of the defect for a replacement.  We can send the same product or an equivalent product of similar value that you specify.