Answer:
Man's most important invention.
What can't you see, hear or feel, until it’s too late. What shadows love, and shopkeepers hate?
When I type I tap these on the keys
Precious stones in a pack of cards.
Tickle with your fingers and a song it will sing. Be careful, though, you may break a string. What is it?
Why was the cook arrested?
Easy
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?