Features： 1、Circuit Principle: Through the analysis of circuit principle, let students get the physical meaning of circuit input and output and the actual situation of digital representation. 2、DIY Kit: Discrete Component Gate Circuit Kit, this is a DIY kit that needs to be soldered and installed by yourself. 3、ABS Material: The circuit board kit is made of high quality sturdy ABS material, which is wear resistant and durable, and can be used for a long time. 4、Teaching Experiment: Through the analysis of analog circuit, study the principle ability of digital circuit, and do better teaching experiment training. 5、Lightweight and Portable: The circuit board kit is lightweight and small, making it easy to carry and store, so you can experiment when you have time. Specification： Item Type: Discrete Component Gate Circuit Kit Material: ABS PCB Board Size: Approx. 75 x 35 x 1.6mm / 3.0 x 1.4 x 0.06in Package List： 1 x Discrete Component Gate Circuit Kit