A good trap does not need a hot-glue gun or a trip to the craft store. These six builds start with something from the recycling bin and use tape, a stick and a string. Each one has a real trigger, a catch that holds and a job a child can do. Pick one, build it in half an hour and test it three times before bedtime.
42 real trap plans
Filter by what you have
Free printable plan sheet
Find a trap you can build tonight
Tick what you have, choose your time and the child's age, and the picker ranks the plans that fit.
13 plans
13 traps fit your filters.
The Classic Shoebox Drop
One box, one stick, one string - the trap every leprechaun story starts with.
The box is balanced on one craft-stick prop. A string tied to the stick runs out from under the box; a tug pulls the stick sideways and the box drops over the bait.
Build it
Turn the shoebox upside down and cut a 1-inch notch in the middle of the front rim. The notch keeps the prop stick from sliding.
Tie one end of a 3-foot string around the middle of a craft stick. Run the string under a chair leg 2 feet away so it pulls straight.
Prop the front edge of the box on the stick. The stick should stand almost upright, with its bottom in the notch and its top under the box rim. The box should feel ready to fall at the lightest tug.
Put a gold coin and a shamrock under the box, a hand's width back from the open edge.
Test it by dropping a coin on the bait: the box should fall and cover the coin. If it sticks, sand the stick or loosen the notch.
One box, one stick, one string - the trap every leprechaun story starts with.
Materials
Shoebox
Craft sticks
string or yarn
tape
a gold coin
The plan
Time
30 minutes
Ages
Ages 3–5, Grades K–2, Grades 3–5
Style
Box and stick
Difficulty
Easy
Bait
gold coin, shamrock confetti, shiny button
Kit
Trap signs, 24 gold coins, Shamrock bait
How it catches a leprechaun
The box is balanced on one craft-stick prop. A string tied to the stick runs out from under the box; a tug pulls the stick sideways and the box drops over the bait.
Steps
Turn the shoebox upside down and cut a 1-inch notch in the middle of the front rim. The notch keeps the prop stick from sliding.
Tie one end of a 3-foot string around the middle of a craft stick. Run the string under a chair leg 2 feet away so it pulls straight.
Prop the front edge of the box on the stick. The stick should stand almost upright, with its bottom in the notch and its top under the box rim. The box should feel ready to fall at the lightest tug.
Put a gold coin and a shamrock under the box, a hand's width back from the open edge.
Test it by dropping a coin on the bait: the box should fall and cover the coin. If it sticks, sand the stick or loosen the notch.
Set it at bedtime and tape the end out of sight.
Sketch your trap
What makes a trap easy
Easy means one moving part, one material you already own, and a catch big enough to see. Tape is faster and safer than hot glue. A single craft stick, straw or pencil is enough to hold up a box. The bait should sit where a small hand can reach it and where the trigger can move. If a build needs four hands, two clamps and a drying time, it is not an easy trap; it is a weekend project. The plans below all pass the coin test: drop a coin on the trigger spot and the catch should move.
The six easiest builds
The Classic Shoebox Drop. Prop an upside-down shoebox on a craft stick, tie a string to the stick and put a coin underneath. Pull the string and the box drops. 30 minutes, difficulty 1.
The Cup Drop. A large paper cup propped on a stick over a paper plate. Add a small stone inside the cup for weight. 30 minutes, difficulty 1.
The Tissue Box Snap. A tissue box propped on a stick with a small book taped inside so it falls with weight. 30 minutes, difficulty 1.
The Egg Carton Clam. Hold the lid open with a thread, put a coin in a paper cup inside, and release the thread at bedtime. The lid snaps shut. 30 minutes, difficulty 1.
The Mason Jar Snap. Prop the jar mouth open on a stick over a paper plate. Pull the stick and the jar drops mouth-down. 30 minutes, difficulty 1.
The Cereal Box Ambush. A tall cereal box propped on a stick, opening face down, with a book taped inside for weight. 30 minutes, difficulty 1.
The 30-minute build order
Gather the container, the stick, the string and the tape first. Build the catch before you decorate: an upside-down box, a jar on its side, a cup on a plate. Add the trigger next, then check that the only thing holding the catch is the stick or thread. Put the bait in last, because a child will want to play with it. Decorate while the trigger is already working, not before. A sign taped to the front is faster than paint and does not change the weight of the box.
Run the coin test
Drop a coin on the bait spot three times. The catch should move every time without a hard poke. If it sticks, lift the box and sand or scrape the stick where it rubs. If it falls before you touch it, move the stick a little more upright or add a second prop. Then test with a small toy the size of a leprechaun. A trap that works for a coin but jams on a toy is not ready. Write down what you changed so the child can explain it later.
Let the child do the real jobs
The adult cuts cardboard, sharpens sticks and ties strings. The child chooses the bait, tapes the sign, places the coins, runs the coin test and decides where the trap should sit. Those are the parts that make the trap theirs. A child who places the bait and watches the trigger move will remember the mechanism better than a child who watched an adult build it. If two children are building, give one the catch and one the trigger, then swap for the test.
If you only have ten minutes
Tape a paper plate to the table. Turn a large cup upside down and prop one edge on a pencil. Put a coin and a shamrock on the plate under the cup. Tie a string to the pencil, run it under a chair leg and tape the end out of sight. That is a working trap in three minutes. Print a Free Gold sign while the child decorates the cup. The note and footprints can wait until after bedtime; the trap only needs to be set before the child goes to sleep.
Questions
What is the easiest leprechaun trap to make?
A shoebox or a large paper cup propped on one craft stick, with a string tied to the stick and a coin underneath. Pull the string, the prop falls and the trap drops. It takes about 30 minutes.
How do you make a leprechaun trap in 5 minutes?
Tape a paper plate down, prop a cup on a pencil over a coin, and tie a string to the pencil. It will not be pretty, but the trigger works and the child can decorate it while you set the rest of the scene.
Do leprechaun traps have to be complicated?
No. A single moving part that works is better than five that jam. Teachers and children both remember a simple trap that fired, not a fragile castle that fell apart on the way to school.
What if I do not have a shoebox?
Use a paper cup, a tissue box, a cereal box, an oatmeal canister, an egg carton or a mason jar. The picker filters by what you already have, so you can choose a plan without shopping.
Can a 4-year-old make a leprechaun trap?
Yes, with an adult on the cutting and tying. A 4-year-old can choose the bait, tape the sign, place the coins and drop the test coin. Keep the parts large and skip glass jars and small magnets.
What can I use instead of a craft stick?
A straw, a pencil, a ruler, a plastic spoon or a rolled strip of card works as a prop. The stick needs to stand almost upright and release with a light pull, so test it before bedtime.