It has all the commonly used consumable components. For , it can meet almost all your needs Breadboard and power supply module - including various LEDs, resistors, buttons, capacitors, some transistors Lcd1602 module and sensor module to meet your project expectations All parts components are placed in a sturdy and beautiful storage box to help you keep the components tidy after use. Save small parts such as LEDs, buttons, diodes, etc Help you start your electronic project Name:Super Kit Material: ABS Color: As shown Compatible:Compatible with R3 RFID Package Contents: 1 x Learning Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.