When my 2 sisters and I were young, back in the late 50's, our Dad would take us to the neighborhood playground. When we were playing in the sandbox, Dad would toss coins into the sand when we weren't looking. We really thought we were finding lost treasure! When we headed back home we'd stop at the corner store and use the coins to buy candy. Mainly candy buttons - our favorite. Back then the buttons were tough to detach - we wound up eating a lot of paper too. Miss those days!