3Pcs Breadboard 400 Point Solderless Prototype PCB Board Kit for Proto Shield Distribution Connecting Blocks Arduino (3 * 400)

1️⃣ Premium Capacity and Modularity: Each board offers 830 precise contact points with non-slip spring contacts. Multiple boards can be combined as desired by side connectors, perfect for large prototypes! 2️⃣ Durable & Reliable Material: Made of high-quality ABS plastic with nickel-plated phosphor bronze contacts for excellent conductivity and repeated use. 3️⃣ Smart Design for Practical Use: Extra-deep sockets hold even thick jumper cables securely. Anti-slip rubber feet and removable adhesive film allow stable working on all surfaces. 4️⃣ Mobile & organized: The compact dimensions fit into any tool bag. The metal base transforms the boards into a portable development laboratory. 5️⃣ Wide Applications: Great for Arduino projects, robotics, prototyping, STEM education, and beginner electronics learning. Easy to use for students, teachers, and hobbyists alike.