Technic Brick 1 x 2 with Hole 3700

Add strong structural connections to your LEGO® models with this Technic Brick 1 x 2 with Hole (3700). Combining the shape of a standard 1 x 2 brick with a Technic pin hole, this versatile element helps connect traditional bricks with Technic components, making it useful for mechanical builds, vehicles, buildings, robotics projects, and custom creations.

A versatile LEGO® Technic building element

The LEGO® Technic Brick 3700 features two studs on top and a centred Technic hole through the side, allowing axles, pins and other compatible Technic elements to be incorporated into your builds. It is commonly used wherever additional strength or connection points are required while maintaining the dimensions of a standard brick.

• Authentic LEGO® part 3700
• Brick size: 1 x 2
• Integrated Technic hole for compatible pins and axles
• Compatible with LEGO® System and Technic building elements
• Suitable for vehicles, machinery, architecture and custom builds

Expand your LEGO® Technic collection

Whether you're repairing an existing model, expanding your parts collection or designing an original creation, this Technic brick provides a reliable connection between Technic and standard building techniques. Its compact size makes it one of the most frequently used structural elements in many LEGO® designs.

Browse more pieces in our LEGO® Technic Bricks collection or explore our complete range of LEGO® Technic Parts.