Please refer to this forum thread in relation to effective ways to ask for assistance
The more detailed information & screenshots you provide makes it much easier for other players to be able to assist you.
Which game mine & which quest are you having issues with?
I've had a quick look at the quests in Christmas 2017 & couldn't see any information about a "Golden Goblet".
You can check out the below link to the relevant Wiki page in relation to the quests in Christmas 2017
Have you checked out the relevant Wiki pages, quests, maps, videos, guides, walkthroughs & hidden gifts.
In certain scenarios it is much more easier to consult, study & follow the maps instead of the videos.
You can easily find the solutions to puzzles if you check out the walkthroughs & maps.....everything is clearly & concisely highlighted.... including hidden gifts.
The Wiki pages & this forum will become your best friends throughout your Diggys Adventure journey.
Fan Based Websites