Answer:
Upon me you can tread, though softly under cover. And I will take you places, that you have yet to discover. I'm high, and I'm low, though flat in the middle. And though a joy to the children, adults think of me little.
If you break me, I do not stop working. If you touch me, I may be snared. If you lose me, nothing will matter.
What is often returned, but never borrowed/
Once they sailed the sea, now they surf the web
What word looks the same upside down and backwards?
You use it between your head and your toes, the more it works the thinner it grows.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?