Riddle: I have keys but no locks. I have space but no rooms. You can enter, but you can't go inside. What am I?
Answer: A keyboard
Riddle: What has many letters but isn't a book?
Answer: A mailbox
Riddle: I'm full of holes but can still hold water. What am I?
Answer: A sponge
Riddle: I fall but never get hurt. What am I?
Answer: Rain
Riddle: What comes once in a minute, twice in a moment, but never in a thousand years?
Answer: The letter M
Riddle: The more you dry, the wetter I become. What am I?
Answer: A towel
Riddle: What five-letter word becomes shorter when you add two letters to it?
Answer: Short
Riddle: You can break me without touching me. What am I?
Answer: A promise
Riddle: I have branches but no leaves, trunk, or roots. What am I?
Answer: A river
Riddle: What has a thumb and four fingers but isn't alive?
Answer: A glove
Riddle: I go up but never come down. What am I?
Answer: Your age
Riddle: What begins with "T," ends with "T," and has "T" inside?
Answer: A teapot
Riddle: I have hands but can't clap. What am I?
Answer: A clock
Riddle: What can run but never walks?
Answer: Water (or a river)
Riddle: If two's company and three's a crowd, what are four and five?
Answer: Nine
Riddle: I have one eye but cannot see. What am I?
Answer: A needle
Riddle: What English word keeps the same pronunciation even after you remove four of its five letters?
Answer: Queue
Riddle: I get sharper the more you use me, but I never get bigger. What am I?
Answer: Your brain (Accept your mind.)
Riddle: I appear after rain and disappear without being touched. What am I?
Answer: A rainbow
Riddle: What can travel all around the world while staying in one corner?
Answer: A stamp
Riddle: I have a neck but no head, and I wear a cap. What am I?
Answer: A bottle
Riddle: What can fill a room but takes up no space?
Answer: Light
Riddle: I follow you all day, but I disappear at night. What am I?
Answer: Your shadow
Riddle: The more there is of me, the less you can see. What am I?
Answer: Fog
Riddle: What gets bigger the more you take away from it?
Answer: A hole