Note: This is an unassembled kit, you will need to solder it.

Package Include:
Number of component names:
1x PCB backplane
1x PCB riser A
1x PCB riser B
4x PCB lower side plate
4x PCB midplane
4x PCB upper side plate
35x 5MM colorful LED flash
35x 510 ohm resistor
1x 4.7K resistor
1x STC89C52 patch package burn-in program
3x 10UF 25V capacitor
3x 22P ceramic chip capacitor
1x 12M crystal oscillator
4x M3*6 screws
4x M3*10 two-way nylon column
1x7th 3-cell battery box