Ninjas were the secret agents of old Japan, famous for moving without a sound and slipping in and out of castles unseen. These 27 ninja riddles are all about sneaking, hiding and outsmarting, with a few real facts about how ninjas worked (and a few things the movies got wrong).
The easy riddles are perfect for little ninjas. The medium ones include a logic puzzle and a climbing problem, and the tricky ones are brain teasers that need a ninja’s sharp mind. Every riddle has a hint, so you can stay quiet and still win.
Easy Ninja Riddles for Kids
I follow a ninja everywhere, but I never make a sound. When the lights go out, I disappear. What am I?
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I’m a cloth that wraps around a ninja’s head and face so that only the eyes peek out. What am I?
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I’m a small metal star, but I never shine in the sky. In movies, a ninja keeps me hidden and throws me spinning through the air. What am I?
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I’m tall, green and leafy, and I grow in the garden. A ninja crouching behind me can’t be seen from the path. What am I?
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I’m a ninja’s favorite time to sneak around, because the sun has gone to bed and the sky is dark. What am I?
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Ninjas came from me, an island country in Asia. My flag is white with a big red circle, for the rising sun. What am I?
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I’m a belt, but I don’t hold up your pants. In karate, I’m the color only the most skilled students get to wear. What am I?
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What kind of shoes do ninjas wear?
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I’m the quietest way to walk: you stay up on the ends of your feet so your heels don’t thump. What am I?
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I’m so fragile that if you even say my name, I break. A ninja keeps me whenever she’s sneaking. What am I?
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A ninja can hide in the dark, move without a sound and climb any wall, but sometimes this sneaks up on the ninja instead. What is it?
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Medium Ninja Riddles
I’m the training hall where martial artists practice on soft mats. Students bow when they walk in and when they walk out. What am I?
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Real ninjas rarely wore black in the daytime. To get into a castle, they dressed up as farmers, monks or traveling sellers. What is this trick called?
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I’m a rope with sharp metal claws at one end. Throw me up to the top of a wall, give a tug, and climb. What am I?
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I’m a sock or a soft shoe from Japan with a split at the front, so your big toe gets a room all to itself. Ninjas liked me because I’m quiet. What am I?
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I’m a Japanese warrior who followed a strict code of honor and fought in the open with a long curved sword. Ninjas often did the secret jobs I would not do. What am I?
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I’m what ninjas are best at: moving around without being seen or heard. Some airplanes that are hard to spot on radar are named after me. What am I?
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A ninja throws me at her feet, there’s a big gray puff, and when it clears, she’s gone. What am I?
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Three ninjas, Kai, Mei and Ren, hide in a tree, a barrel and a flooded rice field. Ren is hiding higher up than anyone else. Mei got her feet wet. Where is each ninja hiding?
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A ninja climbs a 10-meter castle wall. Every minute she climbs up 4 meters, then slides back down 2 meters before she can grab on. How many minutes until she reaches the top?
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Tricky Ninja Riddles for Grown-Ups
If real ninjas didn’t usually dress in black, why do we always picture them that way?
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Four famous cartoon ninja turtles are named after great artists of the Italian Renaissance. Can you name all four?
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In a castle in Kyoto, the wooden floors chirp like birds whenever anyone walks across them. Why would anyone build a floor like that?
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What can a ninja hold for a long time without ever touching it?
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A ninja sneaks into a dark room with only one match. Inside there is a candle, an oil lamp and a fireplace. What should she light first?
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The more of me there is, the less a ninja can see, and that’s exactly how ninjas like it. What am I?
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I’m a short word that means to sneak a quick look, and I’m spelled the same forwards and backwards. What am I?
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Make It a Game
- Ninja freeze: read a riddle aloud. Players who think they know the answer must sneak up to you silently and whisper it. If you hear their footsteps, they go back to the start.
- Shadow guessing: for the easy riddles, act out the answer behind a sheet with a flashlight and let kids guess from the shadow.
- Belt levels: give a “white belt” for each easy riddle solved, a “green belt” for medium and a “black belt” for tricky. Kids love moving up.
Want more sneaky riddles? Try our shadow riddles, our Japan riddles or our detective riddles.