This product is an electronics component kit. It is made of solid materials. It is safe and . It without being easily damaged. It is an excellent electronics component kit that can bring you convenience, allowing you to have comfortable experience. Features -Color:As Shown -Material:Ceramic, plastic, metal -Size:16.30X5.30X1.00cm/6.41X2.08X0.39in - This beginner is compatible for R3 component pack. - Can help you complete simple and interesting electrical experiments. - You can design and DIY by yourself, making your own electronics. - Note: do not use the power supply module with voltage higher than 9V. - workmanship, reasonable structure, professional and practical, can bring you convenience. Package list: 1 x Power Supply Module 1 tie-points Breadboard 1 x 65 Jumper Wire 140 x Solderless Jumper Wires 20 x Female-to-male Breadboard Wires 2 x 40pin Pin headers 1 x Precision Potentiometer 2 x Photoresistors 1 x Thermistor 1 x Diode Rectifier 5 x NPN 1 x IC 4N35 1 x IC 74HC595 1 1 x Passive 10 x Buttons 10 x 22pf Ceramic Capacitors 10 x 104 Ceramic Capacitors 5 x 10UF 50V Electrolytic Capacitors 5 x 100UF 50V Electrolytic Capacitors 10 x White LEDs 10 x Yellow LEDs 10 x Blue LEDs 10 x 10 x Red LEDs 1 x RGB LEDs 10 x Resistors 10 x 100R Resistors 10 x 220R Resistors 10 x 330R Resistors 10 x 1K Resistors 10 x 2K Resistors 10 x 5K1 Resistors 10 x Resistors 10 x 100K Resistors 10 x 1M Resistors