🔧 Unleash Your Creativity with Every Connection! 30 jumper caps in 6 vibrant colors to add flair to your projects. 10 terminal blocks rated for 300V and 16A, perfect for robust connections. 30 double-sided boards in 4 sizes for all your prototyping needs. All components neatly packed in a free plastic box for easy access and organization. Includes 30 high-quality 40 pin connectors for seamless integration. 30 PCB boards 100 pieces total 40 pin connectors The AUSTOR 100 Pcs PCB Board Kit is a comprehensive collection designed for electronics enthusiasts and professionals alike. It includes 30 double-sided PCB boards in various sizes, a set of 40 pin connectors, 10 terminal blocks, and colorful jumper caps, all conveniently stored in a plastic box for easy organization. Perfect for prototyping and DIY projects.