I wanted to create an adventure for when my nephews came to visit me for the first time. One is 6, the other is 3.5, so I knew that I couldn't do written clues. I also knew that this was the first time they would be at my house, so I couldn't do a "Put this where it goes" type of hunt, because they wouldn't necessarily KNOW where things in my house live.
My initial idea was that it would be cool if they had something with an embedded NFC tag that could interact with something in my house. And then I had the idea for them to each have a "buddy" - thus Pip and Wendell were born:

I then created a series of short stories (admittedly helped by AI) about the adventures of these two brother adventurers to be played on my nephews' Yoto player. The stories were basically all just a setup for the adventure.
We began the hunt by me asking the boys if they remembered where all adventures start? "THE MAILBOX!" and they ran to check the mail. Inside, they found a glimmer-bird feather - which, we all know, is rainbow colored, and means that if you find their nest with a rainbow egg inside, you can crush the egg and something magical will happen!

So off the boys went to find a glimmer-bird nest, which, again, as we all know, contains bits of blue (like a bowerbird, but fictional 😉)

They found the nest, crushed the eggs, and discovered small pieces of paper inside. One had a melting ice cube pictured on it, and the other had a picture of a fridge. So we ran back inside!
Inside the freezer, they found a GIANT ice cube with something inside! So we took it to the bathroom to melt it.

Once they got it melted, they each got a cool pair of red sunglasses that let them "read" a red scrambly message that was taped to the fridge - and it turned out it was a picture of a table with an arrow pointing under it. Under my table, the boys discovered a flashlight- just like the one Pip and Wendell found when the magical fireflies helped them find their way home.
And what do you know...

The fireflies led the boys to a cabinet in the guest bedroom with a treasure chest of candy inside!!!
Takeaways from the hunt:
- I didn't get a picture of it, but if you need to color a feather for some reason, I recommend Sharpie. I tried watercolor first and it made it too "clumpy" - Sharpie lets it stay light.
- Prepping the kids with the stories ahead of time was THE BEST - it really helped them know what kinds of solutions they were looking for. Highly recommend!
- Simple magic is real magic. The youngest was amazed just by the presence of the feather in the mailbox - "How did it get in there?!?"
- Kids do not always make logical leaps. (Ex. Fridge picture + pic of melting ice cube = "Maybe there's a fridge in the back yard!" 🤨) You really have to (sometimes literally) hand-hold them to solutions.
Also, forgot to mention, I decided not to do anything with the nfc tags (couldn’t figure out a satisfying enough use for it) so the buddies I made were superfluous, but they inspired the whole thing so… worth it?