High-quality educational toy: Crafted from durable, smooth wood and sturdy rope, this Luban Lock brain teaser encourages kids to patiently unlock Kong Mingsuo. It helps develop problem-solving skills, fine motor control, spatial awareness, and logical thinking while offering a safe, eco-friendly play experience.Challenge logic and creativity: Test your mind with this cool yet simple wooden threading rope loop puzzle. Ideal for passing time, relieving stress, and reducing screen dependence, these brain games promote focus and concentration. Perfect as a travel toy, desk fidget, or engaging activity at family gatherings and parties.Great for brain teaser fans: Designed for adults and kids who love creative thinking puzzles, this wooden IQ game offers multiple difficulty levels to keep players engaged. It's suitable for puzzle collectors, logic game enthusiasts, and anyone who enjoys exercising their brain with clever, hands-on challenges.Perfect portable gift: This compact 3D brain teaser is easy to carry anywhere-home, office, classroom, or travel. An excellent choice for Christmas, birthdays, office exchanges, stocking stuffers, and party favors, it provides long-lasting entertainment while boosting patience, persistence, and problem-solving skills.Worry-free purchase: If you are not completely satisfied with your IQ test toy, simply contact us for a prompt, satisfactory solution. We are committed to customer happiness and product quality, so you can click "Add to Cart" with confidence and enjoy a relaxing, brain-boosting puzzle experience.Color: As ShownMaterial: WoodPackage Contents:1*wooden educational leisure toy setOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.