This electronics is made of , which can withstand use. Features the electronic components material, which has high durability, not easy to deform. Fine workmanship, practicality. Features -Color: As shown -Material: electronic components -Size: 5.00X3.00X2.00cm/1.97X1.18X0.79in - This set includes power supply module, tie-points breadboard, jumper wire, pin headers, precision potentiometer, photoresistors, thermistor, diode rectifiers, transistors, IC, buzzers, buttons, ceramic capacitors, electrolytic capacitors, LEDs and resistors. - Can help you complete simple and interesting electrical experiments. - It is suitable for basic electronic projects and testing. - Note: do not use the power supply module with voltage higher than 9V. - Special design and it is in fine craftsmanship. It is the best replacement for your old, broken one. 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 Pin headers (40pin) 1 x Precision Potentiometer 2 x Photoresistors 1 x Thermistor 5 x Diode Rectifiers 5 x NPN Transistors 1 x IC 4N35 1 x IC 74HC595 1 Buzzer 1 x Passive Buzzer 10 x Buttons (small) 10 x 22pf Ceramic Capacitors 10 x 104 Ceramic Capacitors 5 x Electrolytic Capacitors (10UF 50V) 5 x Electrolytic Capacitors (100UF 50V) 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