1. Preparation materials: Lego foundation bricks, long bricks, curved bricks, small blades and connectors.

2. Build the blade body: assemble the main part of the blade body with basic bricks and long bricks, and pay attention to keeping the blade body straight.

3. Install the blade: insert the small blade into the front end of the blade body and fix it with the connector. If the blade is thin or soft, two connectors can be used to enhance the fixing effect.

4. Making the handle: assemble the shape of the handle with long bricks and arc bricks and connect it with the cutter body.

5. Perfect details: Use some small pieces of Lego bricks to perfect the details of the blade, such as assembling lines or patterns on the blade.

6. Complete assembly: Check whether all bricks are fixed and ensure that the connection between the blade and the handle is firm.

7. Note: When using Lego assembling knives, you need to pay attention to safety issues. Avoid pointing tools at others or yourself, and make sure to avoid touching the blade during assembly. In addition, if you want to make this knife more practical, you can consider adding some accessories or equipment to the knife body, such as hooks or sheaths.

On the particularity of Lego bricks;

1, Diversity: There are many kinds of Lego building blocks, including basic bricks, long bricks, curved bricks, small blades and connectors, which can meet various assembly requirements. At the same time, Lego bricks are also very colorful and can be assembled into two pieces. Various shapes and patterns.

3. High compatibility: The high compatibility of Lego blocks enables different series and types of blocks to be assembled with each other, providing users with greater imagination and creative possibilities.

4. Modular design: Lego bricks adopt modular design, so that each building block can be disassembled and reassembled, which enables users to design and assemble different shapes and items according to their own preferences and needs.

5. Durability: Lego bricks are made of high-quality plastic materials, which have high durability and durability and can be preserved and used for a long time. This also makes Lego bricks become toys and creative tools suitable for children and adults.

6. Educational: Lego bricks are not only an entertainment toy, but also an educational tool. Through the assembly and combination of various building blocks, users' spatial imagination, hands-on ability, innovative thinking and problem-solving ability are cultivated. In addition, Lego bricks are often used in the education of mathematics, physics, computer science and other disciplines.