If you've ever wanted to dive into the electronics world but were afraid to try then this is the perfect kit for you. A fun beginner's kit it includes a fully illustrated guide that will familiarize you with a wide range of electronic components while you create small simple and easy-to-assemble circuits. Arduino electronic start suite is designed for people who do not major in electron but are quite interested in electronic products. It includes big button module adjustable potentiometer light sensor LM35 temperature sensor flame sensor buzzer module digital magnetic sensor etc. which takes stepwise learning as from simple to complex in to consideration. As a result you can make simple electronic experiment yourself and it can increase your interest enhance your knowledge and cultivate your attitude. There is no need to weld these parts and you can just play it as you play building blocks. It is environmental friendly and avoids wasting material for starters. Besides the linking lines is made according to standard that can be clearly recognized Red line is positive power supply black line is negative power supply the yellow or white line is signal line it is not easy for you to make mistake.