100% brand new and high quality Features: Electronic component kit for beginners has a complete set of accessories that can be used for Arduino R3, which can meet your needs. Comes with breadboard and power supply module, various LEDs, resistors, buttons, capacitors, some transistors and diodes. All parts and components are clearly listed in a box, easy to carry and store. Specification: Materials: Silicon + Plastic Size: app.23x14cm/9.06x5.51in Color: As pictures shown Quantity: 1set Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1pcs Power Supply Module (Warning: please do not use the voltage higher than 9V) 1pcs 830 tie-points Breadboard 1pcs 65 Jumper Wire 140pcs Solderless Jumper Wire 20pcs Female-to-male Wire 2pcs Pin header (40pin) 1pcs Precision Potentiometer 2pcs Photoresistor 1pcs Thermistor 5pcs Diode Rectifier (1N4007) 5pcs NPN Transistor (PN2222) 1pcs IC 4N35 1pcs IC 74HC595 1pcs Active Buzzer 1pcs Passive Buzzer 10pcs Button (small) 10pcs 22pf Ceramic Capacitor 10pcs 104 Ceramic Capacitor 5pcs Electrolytic Capacitor (10UF 50V) 5pcs Electrolytic Capacitor (100UF 50V) 10pcs White LED 10pcs Yellow LED 10pcs Blue LED 10pcs Green LED 10pcs Red LED 1pcs RGB LED 10pcs Resistor (10R) 10pcs Resistor (100R) 10pcs Resistor (220R) 10pcs Resistor (330R) 10pcs Resistor (1K) 10pcs Resistor (2K) 10pcs Resistor (5K1) 10pcs Resistor (10K) 10pcs Resistor (100K) 10pcs Resistor (1M) (other accessories demo in the picture is not included.)