SunFounder LCD Ultrasonic Relay Sensor Electronic Bricks Starter Kit for Arduino UNO R3 Mega2560 Mega328 Nano (with UNO R3) - Including 52 Page Instructions Book SunFounder Ultrasonic Kit includes many basic components, self-designed modules and an ultrasonic module for you to learn Arduino and electronic basics. With detailed user manual containing 15 projects, code, Fritzing images, datasheets, and so on. The user manual [PDF] can be downloaded from Technical Specification in the Product Information. Well-designed case for the package for you to store the components after finishing the experiment. The latest Sunfounder UNO R3 development board is included.