1. Electronic firecracker clues: Look for the flashing digital pattern hidden on the branches, which is the sign of a string of electronic firecrackers.
2. Traces of drones: Pay attention to moving objects in the sky, where drones will leave shadows.
3. The secret of the package: The tinfoil in the child’s hand is wrapped in that special sweet potato. Pay close attention to the details.
4. Payment code reminder: There are two QR codes hidden on the roasted sweet potato bucket, which is a mark of modern business.
5. Additional equipment: There is a sausage grill right next to the sweet potato stall, don’t miss it.
6. Mobile vendor: The old lady’s electric tricycle not only carries sweet potatoes, but also reveals a retro style.
7. Summer snack: The bell-shaped ice cream in the hands of the child in red is a sweet temptation.
8. Keep warm in winter: Notice the down jacket on the sweet potato child, indicating the change of seasons.
9. Rooftop installation: On the roof of the house on the right, the metal shell of the water heater is a key reminder.
10. Children's toys: Children's cars around children add a childlike element.
11. Ground clues: Advertising flyers on the snow may contain tiny patterns.
12. Hearing aids: The hearing aids on the old woman’s ears reveal her hearing characteristics.
Through these detailed steps, I believe novice players can better understand and complete the nostalgic sweet potato level in "Old Six Loves to Find Faults". Have fun exploring!