If you are looking for a professional and electronics , then your research is over here. That's because our product can meet your need. Adopted of , it is practical and durable for long time use. It is not easy to get deformed and bring you much convenience. Features -Color: As shown -Material: electronic components -Size: 5.00X3.00X2.00cm/1.97X1.18X0.79in - This beginner starter kit is compatible for R3 component pack. - It is friendly to , you can try to operate it yourself. - Comes with a secure casing, fit for easy storage and component protection. - You can design and DIY by yourself, making your own electronics. - 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 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