How to find props after Pokemon Jade Treasure Hunters reacted strongly?

1. Stand at the position where the machine has the strongest reaction and press the A key. At this time, some tips will appear.

2. Follow the direction of the machine's reaction, and keep pressing the A key until you find the hidden item, and a prompt message will appear at this time.

3. After finding the hidden items, you can press the B key to exit the treasure hunt mode, and then check the found items in the items bar.