Description: Type: Universal Parts Kit Many kinds of electronic components for arduino, it's a good kit for learning. Kit List: 100R Carbon Film Resistor x 30Pcs 1K Carbon Film Resistors x 30Pcs 4.7K Carbon Film Resistors x 30Pcs 10K Carbon Film Resistors x 30Pcs 47K Carbon Film Resistors x 30Pcs 100K Carbon Film resistor x 30Pcs 1M Carbon Film Resistor x 30Pcs 10K 3PIN Rotary Potentiometer (short handle) x 2Pcs 100K 3PIN Rotary Potentiometer (short handle) x 2Pcs Transparent white Long Pin LED (giving out green light) x 3Pcs Transparent white Long Pin LED (giving out red light) x 3Pcs Transparent white Long Pin LED (giving out yellow light) x 3Pcs Transparent white Long Pin LED (giving out white light) x 3Pcs Big black button touch switch x 6Pcs Large round button cap - blue x 3Pcs Large round button cap - red x 3Pcs Large round button cap - white x 3Pcs Large square button cap - green x3Pcs Large square button cap - white x 3Pcs 1x 40 black single-row pin header (pin spacing 2Pcs.54) x 2Pcs Size Chart: Size: approx. 110 x 60mm/ 4.33'' x 2.36'' Package Includes: 1 x Arduino Universal Parts Kit ( include Resistors LEDs Potentiometers)