Riddle: Take eight small sticks, four of which are half the length of the other four. How can you make three equal squares out of the sticks?
Answer: Use the longer four sticks to be sharing sides between the squares and at the end their should be three intertwined squares.
Riddle: I only have two backbones and thousands of ribs. What am I?
Answer: A railroad.
Riddle: I have legs but walk not, a strong back but work not, two good arms but reach not, a seat but sit and tarry not. What am I?
Answer: An Armchair.
Logic Puzzles
Riddle: Soldiers line up spaced with pride, Two long rows lined side by side. One sole unit can decide If the rows will unite or divide. Tell me, tell me, scream it out. What's the thing I talk about?
Answer: A zipper.
Riddle: I come in different shapes and sizes. Parts of me are curved, others are straight. You can put me anywhere you like, but there is only one right place for me. What am I?
Answer: Jigsaw puzzle pieces.
Logic Puzzles
Riddle: I am cold to the touch but yet I burn if held. What am I?
Answer: I am dry ice. Dry ice is frozen, solid, carbon dioxide that freezes at −109.2F.  The extreme cold makes it dangerous to handle with bare skin.
Riddle: I'm not alive but I have five fingers. What am I?
Answer: A glove.
Logic Puzzles
Riddle: From house to house I go, sometimes narrow, sometimes wide. And whether there's rain or snow I always stay outside. What am I?
Answer: A Path.
Riddle: What has many rings but no fingers?
Answer: A telephone.
Riddle: You are sitting at a table eating lunch and there are ten flies on the table. With a quick swat, you are able to kill three flies. How many flies are left on the table?
Answer: You killed three flies which remain on the table.  The others flew off when you swatted.
Riddle: I always point in the right direction. My instructions are written in black and white. Disobey me and pay the consequences. I will never say more than two words at a time. What am I?
Answer: A "One Way" sign!
Riddle: I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone. What am I?
Answer: The morning dew!
Riddle: I begin the earth and end the eclipse, I occur in seconds and minutes, but never in a hand although I am in a lifetime. What am I?
Answer: Letter E.
Riddle: Why can't a woman, who is now living in Canada, not be buried in the USA?
Answer: Because she is still alive!
Riddle: What brightens your day when it's dark, although it's usually in the shade?
Answer: A lamp.
Riddle: What is the last thing you take off before going to bed?
Answer: Your feet from the floor.
Riddle: It's easy to see me, Not easy to atop me, Clouds hang around me, And people like to slide down me. What am I?
Answer: A mountain.
Riddle: What is the easiest way to throw a ball, have it stop, and completely reverse direction after traveling a short distance?
Answer: Toss it straight up in the air.
Riddle: We are a pair, We can dart here and there, Though we always stay in one place. We can smile or shed tears, Show our pleasure or fears, And you'll find us on everyone's face. What are we?
Answer: Two eyes.
Riddle: My thunder rolls beneath me, my lightning flares above. I dust the crust, and when I bust, all I touch will I shove. What am I?
Answer: I am a volcano.