Features 1、These electronic components can be reused, environmentally friendly recycling. 2、The set is very suitable for the assembly, debugging and training of electronic circuits. 3、These components possesses clear colors, making it easy and convenient to use and operate. 4、The breadboard kits accept wires with a diameter of 20‑29AWG and is very suitable for the prototypes and circuit design experiment and other DIY projects. 5、Breadboard can be assembled in fixed units, making replacement and installation convenient and simple. Specification Item Type: Solderless Breadboard Material: ABS, aluminum plate Purpose: Experiment, test, robot 2 Terminal Strips: 1260 jacks 4 Distribution Strips: 400 jacks Power Terminal: 3 Matching Jumper: Wire diameter 0.8mm Voltage/Current: 300V / 3-5A Package List 1 x Breadboard 65 x Jumper Wires 3 x Binding Posts 4 x Rubber Mat