Did you make tiny secret locations in your childhood?

My childhood occurred during the time of the Soviet Union. We did not have any Barbies, Legos or other colourful toys; we didn't even have gums or candies like chupa-chups. Maybe that's why girls valued so highly any glitter, colourful and bright trifles at that time. They carefully collected pieces of coloured folia, chips of colour glass, stamps, beads, candy wraps and other useless trifles. Not everybody was allowed to look at these girls' treasures, but the closest one (May be you mean "but the closest friend".). At the age Up to ages 10-12, girls used to make so-called "secrets" – tiny hidings in the ground covered by piece of glass. To make this "secret" thing, you should dig a small hole in the ground, place there your treasure there, maybe add a few flowers and cover the hole by the piece of glass. Then you should bury your hidden object so nobody but you can find it. The next step in this game is sharing. The "secret" thing could be shown only to a reliable person. Whispering and winking, two of you go to the hiding's place and you are kindly allow your friend to carefully dig for the "secret". And here it is! There is a small beautiful composition underneath the glass. Shhh! Bury it and keep it in secret!