Breadboard Kit 830 Tie Point 400 Tie Point Boards 3x170 Tie Point Mini Boards Integrated Power Module: Features a 9V DC power supply with a battery clip, providing 5V/3.3V dual outputs for direct breadboard power. Color-Coded Circuit Organization: Three 170-tie-point mini breadboards in red, green, and blue allow for assigning functions such as power, signal, and ground to facilitate rapid debugging. Flexible Jumper Wires: Includes 65 pieces of soft male-to-male wires in lengths of 12cm, 16cm, 20cm, and 25cm, featuring pure copper cores for clean and reusable connections. Scalable Prototyping: The set contains one 830-tie-point (full-size) breadboard, one 400-tie-point (medium) breadboard, and three 170-tie-point (mini) breadboards to support projects ranging from simple LED circuits to IoT sensor networks. Durable & Safe: Tin-plated phosphor bronze contacts ensure stable conductivity, and the breadboards include a self-adhesive backing for secure mounting.