Similar story here. Our parents made sure that all children could swim well as early as possible. I remember them supervising us only as long as there was a wea

Similar story here. Our parents made sure that all children could swim well as early as possible. I remember them supervising us only as long as there was a weak swimmer in the group. From then on I think they generally kept an eye on where we were, not always and without us noticing, but I think they actually had a good idea of our range. When we were around 11, we were given tools (hammer, saw, nails and old left-over boards with rusty nails in them) to build our own tree house. Our parents started with a basic version, and we were free to build extensions (without supervision). This was really fun and there were only minor injuries. I'm not sure it would still be possible today.