You have lost me a million times, yet you still have me. I am always at your side. What am I?

I can travel from there to here by disappearing, and here to there by reappearing. What am I?

In a tunnel of darkness lies a beast of iron. It can only attack when pulled back. What is it?

Two bodies have I, though both joined in one, the longer I stand the quicker I run. What am I?

What do you throw out when you want to use it, but take in when you don’t want to use it?

There’s a place in the world where the wind blows south then suddenly north. Where is it?

I live without a body, hear without ears, speak without a mouth, and am born in air. What am I?

Although I may have eyes, I cannot see. I have a round brown face with lots of acne. What am I?

I am lighter than air but a hundred people can’t lift me. Careful, I am fragile. What am I?

It’s been around for millions of years, but it’s no more than a month old. What is it?

I am free the first time and second time, but the third time is going to cost you money. What am I?

It walks on four legs in the morning, two legs in the afternoon and three legs at night. What is it?

What word can be written forward, backward or upside down, and can still be read from left to right?

I contain five little items of an everyday sort. You can find all five in a tennis court. What am I?

I like to twirl my body but keep my head up high. After I go in everything becomes tight. What am I?