The mini breadboard with 400 tie points is a compact and reliable solderless prototyping board used for designing, testing, and modifying electronic circuits without the need for soldering. It is ideal for students, educators, hobbyists, and professionals who want to quickly experiment with circuit ideas or troubleshoot designs. The breadboard features standard 2.54 mm pitch holes, allowing easy compatibility with commonly used components such as resistors, capacitors, LEDs, transistors, ICs, and jumper wires. With a total of 400 tie points, it offers a well-organized layout that includes a central terminal strip and side power rails for convenient power distribution. Its small size makes it perfect for space-constrained projects, learning kits, and portable setups. The durable plastic body and secure metal contacts ensure stable connections during use, while the solderless design allows components to be reused multiple times. Many mini breadboards also come with an adhesive backing, enabling them to be mounted on flat surfaces, development boards, or inside project boxes, making them suitable for a wide range of DIY electronics and educational applications.