a lot of fun and good for beginners. it has 2 layers and really only needs 3 somewhat complex algorithms/ its very simple to learn and remember. however, I am a speed cuber and found that sometimes if you turn it too fast, a piece will fall off. its very challenging to put back on. overall, this product is a solid 4 star. anyway, if anyone out there is a competitive speed cuber like me, I would not suggest this brand.
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