In the Arduino Replacements Pack, you’ll find all the common electronics parts two students may need to complete their projects. This pack has replacement parts for the Arduino Starter Kit Classroom Pack, Arduino Student Kit, Arduino Education Starter Kit, Arduino CTC 101 and ARDUINO CTC GO! - CORE MODULE. The pack contains a total of 183 replacement parts, including a breadboard, jump wires, LEDs, resistors, transistors, sensors, and more.