My 5 year-old son Will and I are celebrating our 100th find by hiding our first geocache. Will had two requirements for this cache: it had to be in a place he likes to play and the container had to be big enough to hold treasures. Check and check! There's a great playground nearby, and the container is filled with kid-friendly, kid-selected trade items.
You are looking for a medium lock-n-lock.
Update 1/14/24: We relocated the cache to a new spot further into the woods. Will (now age 14!) picked out the new spot and came up with the hint.
Congrats to dflye on FTF!!!