Add a versatile structural element to your building projects with the Gobricks GDS-625 Technical Brick 1x4. This brick is designed to be fully compatible with Lego 3701, making it a reliable choice for custom builds and MOC creations. It features three holes along its length for connecting pins and axles, allowing you to create strong, movable frames and mechanisms.

This 1x4 technical brick is a fundamental piece for any serious builder. The three holes provide precise connection points, which are essential for building sturdy frameworks, robotic arms, or complex gear systems. Unlike standard bricks, this piece is designed for functional movement and structural support.

Made from high-quality ABS plastic, each brick offers a snug fit and consistent clutch power. You can integrate it seamlessly with your existing collection of building blocks. Whether you are constructing a vehicle chassis or a mechanical arm, this brick provides the stability and precision you need.

The Gobricks GDS-625 is a direct replacement for the Lego 3701 piece. It is an excellent choice for completing sets that require this specific part or for creating your own original designs. Its simple design makes it a workhorse component for any technical build.

Key Features and Benefits

- 1x4 size with 3 holes that allows for strong pin and axle connections for moving parts.

• Compatible with Lego 3701 that ensures seamless integration with your existing bricks.

• High-quality ABS plastic that provides a durable and reliable build experience.

• Precise clutch power that ensures bricks stay connected securely during play or display.

• Versatile design that is perfect for creating frames, supports, and mechanical linkages.

Who Is This For

- Adult builders working on complex MOC (My Own Creation) projects.

• Hobbyists who need specific technical bricks for mechanical or structural designs.

• Collectors looking to complete or repair sets that use the Lego 3701 piece.

• Educators and parents who want to teach engineering and mechanics with building blocks.

Usage Scenario

David was building a detailed model of a suspension bridge. He needed strong, reliable connectors for the main support beams. Using the Gobricks 1x4 technical bricks, he connected the crossbeams with pins, creating a stable and accurate framework. The bricks held firmly, allowing him to add the road deck and cables without any wobble. The project came together exactly as he had planned.

Micro Comparison

This Gobricks brick offers the same functionality and compatibility as the original Lego 3701 at a more accessible price point. It is manufactured with tight tolerances to ensure a perfect fit, making it an ideal alternative for builders who need multiple pieces for large-scale projects. You get the same quality and performance without the premium cost.

Specifications

Material: ABS Plastic

Size: 1x4 (3-hole technical brick)

Color: Available in multiple colors (check listing for options)

Compatibility: Compatible with Lego 3701 and all standard building block systems

Age Recommendation: 18+

Package Includes

- 1 x Gobricks GDS-625 Technical Brick 1x4

Why You Will Love It

This brick is the foundation of strong, functional builds. You will love how easily it connects with pins and axles to create moving parts and stable structures. It is a small part that makes a big difference in the quality of your projects.

Questions and Answers

Question: Is this brick exactly the same size as Lego 3701?

Answer: Yes, it is designed to be fully compatible and interchangeable with the Lego 3701 technical brick.

Question: Can I use this brick with standard Lego pins?

Answer: Yes, the three holes are designed to fit standard Lego pins and axles perfectly.

Question: Is this brick suitable for children?

Answer: This brick is recommended for ages 18 and up due to its small size and use in technical builds.

Question: Will this brick hold up to repeated use?

Answer: Yes, it is made from durable ABS plastic that maintains its clutch power over time.

Question: Can I use this brick for MOC projects?

Answer: Absolutely, this is a very common and useful part for creating custom mechanical and structural designs.