are these Rubik brand?

no, but rubik makes awful cubes

My 23yo son buzz’s through these puzzles in minutes, what will offer him the hardest ones made

My grandson zipped through the regular rubix cube. These he had a very hard time working them!

Do you have some instructions or fun tricks?

Yes , there are instructions in the box.

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🧠 Unlock your next-level puzzle obsession with Mysterystone’s 4-pack cube set!

COMPACT READY TO PLAY - No assembly or batteries needed—just pure, instant cubing excitement.
LIGHTNING FAST ROTATION - Advanced anti-pop structure ensures buttery smooth, rapid cornering every solve.
DIVERSE PUZZLE CHALLENGE - 4 distinct YJ cubes push your speedcubing skills beyond the standard 3x3.
DURABILITY MEETS ECO CONSCIOUSNESS - Crafted with premium ABS and PVC stickers that resist wear and tear sustainably.
PERFECT GIFT FOR PUZZLE ENTHUSIASTS - A standout present for millennials and Gen Z who crave brainy fun and style.

The Mysterystone 4-Pack YJ Cube Set includes four uniquely shaped speed cubes—Fluctuation Angle, Wheel, Mirror, and Square King—designed with eco-friendly ABS and PVC materials. Featuring improved anti-pop technology for smooth, fast turns, this set offers a challenging twist on classic 3x3 puzzles, perfect for boosting cognitive skills and making a memorable gift.

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Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

S$68

Duties & taxes incl.

SINGAPOREstore

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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Product Dimensions	12.7 x 11.68 x 5.59 cm; 390.09 g
Manufacturer recommended age	3 years and up
Item model number	Myst008
Educational Objective(s)	Color Recognition, Creative Thinking, Memory Skill
Number of Puzzle Pieces	4
Assembly Required	No
Batteries Required?	No
Batteries Included?	No
Material Type(s)	Acrylonitrile Butadiene Styrene
Color	4-pack Yj Cube
ASIN	B0142O8542

Mysterystone 4-Pack YJ Cube Set - Included 3x3 YJ Fluctuation Angle Puzzle Cube - 2x3 YJ Wheel Puzzle Cube - 3x3 YJ Mirror Puzzle Cube 6 Color - 3x3 YJ Square King Puzzle Cube

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