Frankly, I think anything that involves the grand childrens’ sense of mystery and wonder or adventure is good.
Good luck with it.
Exactly! I’m an outdoorsy type who hasn’t had many outdoor adventures in the last decade, so I like the thought of passing that love onto the grandkids. Only 3 and 5, so I’m wanting to find the caches first and then bring them, but that plan is failing so far :)