Moyu Meilong 3M/3M V2 Series Magnetic Cube User Manual

1. Introduction

The Magic Cube is a puzzle-focused educational toy. It consists of six faces in distinct colors, with each face made up of nine small cubies. The goal is to rotate and twist its various layers so that every face ends up showing a single solid color.

Figure 1: Moyu Meilong 3M V2 Series Magnetic Cubes

2. Safety & Warnings

Important Safety Information:

• Read all instructions before use. Failure to follow these instructions may result in damage to the product or personal injury.
• WARNING: CHOKING HAZARD – Small parts not for children under 3 years or any individuals who have a tendency to place inedible objects in their mouths.
• This product must be used under direct adult supervision.

3. Structure of the Magic Cube

A Magic Cube is composed of three core parts: center pieces, edge pieces and corner pieces.

• Center pieces: The center piece on each face is fixed in place and determines the rotational alignment of the cube.
• Edge pieces: Each edge piece connects two center pieces and can shift between different faces.
• Corner pieces: Found at the cube's vertices, corner pieces are also able to move across multiple faces.

Figure 2: Internal Structure of the Cube

Figure 3: Advanced Core Structure (Kernel)

Figure 4: Dragon Scale Inner Texture

4. Setup and Adjustment

The Moyu Meilong 3M/3M V2 Series cubes are designed for optimal performance out of the box. However, they feature adjustable tension to suit individual preferences. A screwdriver is typically included for this purpose.

1. Initial Inspection: Before first use, inspect the cube for any loose parts or damage.
2. Tension Adjustment:
   • Locate the center caps on each face of the cube.
   • Carefully remove the center caps to expose the screw underneath.
   • Use the provided screwdriver (or a suitable small screwdriver) to adjust the tension. Turning clockwise tightens the cube, making it more stable. Turning counter-clockwise loosens the cube, making it faster and more flexible.
   • Adjust each side evenly to maintain balance.
   • Replace the center caps after adjustment.
3. Magnetic Positioning: The cube features magnetic positioning for a crisp and smooth turning feel, enhancing high-speed performance.
4. Lubrication: The cube features a "Dragon Scale Inner Texture" designed to effectively store lubricant. While the cube comes pre-lubricated, you may apply additional cube-specific lubricant to enhance turning speed and feel over time.

Figure 5: Cube with adjustment tool

5. Basic Notation & Operation Rules

Standard notation defines fundamental cube turns as follows:

• Clockwise rotation: Rotate a single face 90° clockwise, denoted with capital letters: R (Right), L (Left), U (Up), D (Down), F (Front), B (Back).
• Counterclockwise rotation: Rotate a single face 90° counter-clockwise, marked with an apostrophe: R', L', U', D', F', B'.
• Double rotation (180° turn): Add the numeral 2 after the letter; for instance, R2 means rotating the Right face 180° clockwise.
• Sequential multi-face turns: String notation symbols together for consecutive moves. As an example, RUL'D means clockwise turns of the Right and Up faces, followed by counter-clockwise turns of the Left and Down faces.

Note: For advanced solving methods and algorithms, please refer to external resources or the official Moyu website.

6. Maintenance

• Cleaning: Wipe the cube surfaces with a soft, dry cloth to remove dust and grime. Avoid using harsh chemicals or abrasive materials.
• Lubrication: The cube's "Dragon Scale Inner Texture" is designed to retain lubricant. For optimal performance, periodically apply a small amount of speed cube lubricant to the internal mechanisms. Avoid over-lubricating.
• Storage: Store the cube in a cool, dry place away from direct sunlight and extreme temperatures to prevent material degradation.

7. Troubleshooting

• Cube feels stiff or slow:
  • Check tension settings and loosen slightly if too tight (refer to Section 4).
  • Apply a small amount of speed cube lubricant.
• Cube feels too loose or unstable:
  • Check tension settings and tighten slightly (refer to Section 4).
• Popping (pieces coming apart):
  • This can occur if the cube is too loose or if excessive force is used during turns. Tighten the tension slightly.
  • Carefully reassemble any popped pieces.

8. Specifications

Figure 6: Model Comparison Table

Figure 7: Meilong 3M V2 Magnetic Version Specifications

Figure 8: Meilong 3M V2 Magic Cloth Version Specifications

Figure 9: Meilong 3M V2 Magnetic Version (Lite) Specifications

9. User Tips

• Many users find the cube to spin well right out of the box. If you prefer a different feel, adjust the tension as described in Section 4.
• The "3M V2 Black" and "3M V2 Stickerless" versions are popular choices, offering distinct aesthetic and tactile experiences.

10. Warranty & Support

For product support or inquiries, please contact the manufacturer or authorized representative:

• Manufacturer: Shantou Qiyi Plastic Products Factory
• Manufacturer Address: NO.9, Yuanyuan 2nd Road, Chenghai District, Shantou
• Manufacturer Email: 15036113981@163.com
• Manufacturer Tel: 15036113981
• EU Authorized Representative: VAT SPEED SL
• EU Representative Address: Calle Antonio Salvador N99.1, 28026 Madrid, Spain
• EU Representative Email: services@vatspeed-eu.com
• EU Representative Tel: +34916321624

A PDF version of the user manual is available for download: User Manual (PDF)

11. Compliance Information

This product complies with the following directives and standards:

• Directive 2009/48/EC and its amendments Council Directive (EU) 2017/738, Commission Directive (EU) 2018/725, Commission Directive (EU) 2019/1922.
• EN 71-1:2014+A1:2018 - Safety of toys - Part 1: Mechanical and Physical Properties.
• EN 71-2:2011+A1:2014 - Safety of toys - Part 2: Flammability.
• EN 71-3:2019 - Migration of certain elements in the specified specimen(s).

Signed by: SHANTOU QIYI PLASTIC PRODUCTS FACTORY

Done at: Shantou, China

On: 2020-02-10

Figure 10: EC Declaration of Conformity