Did you get it right?
This old greenhouse has clay pots, seed trays, watering cans, handwritten tags, and two modern gardening items that do not belong.

The Answer
The correct answer is: The smart plant sensor and hydroponic LED grow light are the two wrong items..
Here is why
- The clay pots, seed trays, watering cans, glass panes, and handwritten plant tags fit an older greenhouse.
- The smart plant sensor stuck in a pot is modern.
- The hydroponic LED grow light above the seedlings is also modern.
Why people miss it
Both wrong items are gardening tools, so they blend into the greenhouse before you notice the era.
What answer did you get before checking?