Answer:
What can be heard and caught but never seen?
What's as small as a mouse but guards a house like a lion?
Whoever makes it, tells it not. Whoever takes it, knows it not. Whoever knows it, wants it not. What is it?
A mighty weapon in the war against winged household pests.
Large as a mountain, small as a pea, Endlessly swimming in a water-less sea.
The strangest creature you'll ever find: Two eyes in front and many many more behind.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?