Usage Tips:Description Designed for electrical experiment, you can DIY and design yourself. Made of premium material for long time and durable use. It has a simple design, but very practical in use, giving you a good using experience. Also can be a good gift choice for your friends, they will like it. Features -Color:As Shown-Material:Ceramic, plastic, metal-Size:16.30X5.30X1.00cm/6.41X2.08X0.39in- Complete and functional package: This package contains components to help you with fun and easy electronics experiments.- Transparent and sturdy packaging: Each part is packaged assorted and placed in a transparent box, making it easy to find the parts.- Humanized design: The package contains a power module and a USB data cable, which can be directly inserted into the circuit board without soldering, which is more convenient.- It is suitable for basic electronic projects and testing.- Simple in structure, easy to use, not easy to deform, you can use it with confidence.Packing list: 1 x Power Supply Module1 x 830 tie-points Breadboard 1 x 65 Jumper Wire 140 x Solderless Jumper Wires20 x Female-to-male Breadboard Wires2 x 40pin Pin headers1 x Precision Potentiometer 2 x Photoresistors 1 x Thermistor 1 x Diode Rectifier 5 x NPN Transistors1 x IC 4N35 1 x IC 74HC595 1 x Active Buzzer 1 x Passive Buzzer 10 x Buttons 10 x 22pf Ceramic Capacitors 10 x 104 Ceramic Capacitors5 x 10UF 50V Electrolytic Capacitors 5 x 100UF 50V Electrolytic Capacitors 10 x White LEDs 10 x Yellow LEDs10 x Blue LEDs 10 x Green LEDs 10 x Red LEDs 1 x RGB LEDs 10 x 10R Resistors 10 x 100R Resistors10 x 220R Resistors 10 x 330R Resistors 10 x 1K Resistors 10 x 2K Resistors 10 x 5K1 Resistors10 x 10K Resistors10 x 100K Resistors10 x 1M Resistors