C251 Simulate the Solution

The staff picked up the cube box and saw a pure silver aluminum plate on its back.

"Wait!" The staff was about to take the plate when Wang Feng stopped him.

Zhao Bofan looked at Wang Feng nervously. He was afraid that Wang Feng would find out.

Wang Feng took out the fingerprint powder and sprayed it at the aluminum alloy board. Two black fingerprint marks appeared on the board