Fireball Shooting Harry Potter Wand




About: I enjoy all aspects of DIY My hobbies include (but are not limited to) robotics, magic, origami, woodworking, electronics, longboarding, blacksmithing, animation, small engines, vintage machinery, stop mot...


Ever wanted a cool harry potter themed wand that shoots fireballs??? Well, i bet you do now and lucky for you its incredibly fun to use and simple to make.

Lets get started

Step 1: GIFS

coz gifs are cool =3

Step 2: Video

With a special trick at the end =3

Step 3: Material, Tools and Consumables


Assortment of scrap copper pipe

Glowplug (and nut to fit the glow plug)

Assortment of wire and heat shrink tubing


Momentary button switch

AA battery holder

AA battery

Epoxy putty

Black spray paint and acrylic

Brown spray paint


Soldering iron

Hot glue gun (and glue sticks)


Metal file

Sand paper

Xacto knife


Flash paper

Flash cotton (somewhat optional)

Sparklers or low temp sparkler powder

Step 4: Preparing the Copper Pipe

To prepare the copper pipe I first cleaned off the rust with a vinegar and salt solution and then sanded off the rest. My piece of copper had a threaded end which was perfect for transitioning into the handle so I left that on but I did file the hexagonal part of the fitting to make it more circular.

Next I drilled two holes in the threaded section of the pipe. I used two holes because the button I chose was to big to fit inside the pipe so I had to have it sticking out.

Then I cut a smaller piece of the same material and epoxy puttied a nut (that fits the glowplug) into one end

Step 5: The Extremely Not So Complicated Electronics

The electronics for this project are extremely simple;

The positive side of the battery connects to directly to either part of the glow plug (I attached mine to the pointy bit). The negative side of the battery connects to a momentary switch then to the other part of the glow plug (in my case the side).

The glow plug is then secured into the end of the pipe with more epoxy putty and the battery holder is secured to the threaded end of the pipe with hot glue.

Step 6: Modifying the Glowplug

One of the problems with using only flash paper and not cotton is that flash paper is harder to light so it has to be closer to the heater coil. The problem i was having is that the heater coil gets the hottest in the middle. I roughly drew up 3 variations of the glow plug that i tried by manipulating and cutting the wire then re-soldering the wire back to the plug. After all my tests, the second setup probably worked the best.

Picture 1: normal glow plug wire

Picture 2: best performing set up

Picture 3: my current set up


Step 7: Details.

The next step is to add any details in with your hot glue gun. After checking your electronics you can also go ahead a glue over any exposed connections to the button.

Then I gave my wand a nice coat of black spray paint. Remember to sand the copper before hand so that the paint sticks to the copper and to paint in layers.

Next I alternated between brown spray paint and black acrylic/spray paint to get a dirty black wand with brown accents.

Step 8: Loading the Wand

To load the wand, get your sparkler and scrape off around an inch of powder. Crush it and put it aside.

Now take your flash paper and fold it into a pouch so that you can fill it with sparkler powder or low temp sparkler powder. Then scrunch the pouch up into a ball. Load the ball into the end of the smaller pipe with a pencil or similar object.

If you have flash cotton just load the flash cotton into the barrel before you load the flash paper. If you don't have flash cotton (like me) take a small strip of flash paper and put it into the glowplug right up next to heater coil. before you screw the smaller pipe back onto the wand.



Ps: if anyone wants a vid just let me know

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    34 Discussions


    2 years ago

    How long and wide is it? And how can I make it remote controlled?


    2 years ago

    Your A Wizard NanoRobotGeek


    2 years ago

    It looks amazing! That's the best thing I've ever seen on INstructables


    3 years ago

    What kind of glowplug did you use and where did you find it?

    2 replies

    Reply 3 years ago

    I used a hot glowplug from hobbyking. Your local hobbyshop would have stock also, just make sure to ask for the hottest they have =D.


    3 years ago

    it's awesome but can this take many bullets at a same time


    3 years ago


    Awesome project!


    Ok, why am I having trouble getting the glow plug to fire? In fact, it won't fire at all. I have attached the positive to the pointy end (technical term) and the negative to the side of the plug. Nothing happens. Battery is new and good. Glow plug has been tested and works just fine. Wiring checks out. Still, I can't make it fire! Any help?

    3 replies

    A few things to check if you haven't already:

    1. When you apply a 1.5v power supply to the glow plug does the nicrom wire coil inside the glow plug glow red hot (you may need to go into a dark room to see it glow)

    2. If you have a multimeter check that your circuit isn't shorting on anything e.g. exposed wires touching the sides of the tube or other exposed metal parts

    3. Check that your flash paper or flash cotton is making contact with the nicrom wire coil

    4. If all these things are fine, check that you haven't packed the flash paper in to tightly, if you have if will deny the flash paper oxygen and it won't ignite.

    If you are still having trouble just ask again, perhaps with pictures or a more detailed explanation of your setup.

    Hope this helps =)

    Thanks for your reply.

    I have a 1.5v battery hooked to the glow plug, as described. It isn't that I'm not getting the flash paper to ignite. I'm not getting the glow plug to glow.

    The plug works fine. I attached it to an igniter, and that works.
    The battery is new and shows a charge. The momentary switch works.

    I've tried out numerous batteries and wires. I went to the hobby shop that sold me the glow plug and tried things out there, and they couldn't tell me why it doesn't work.

    I'm attaching a photo.

    So, what is (literally) wrong with this picture?




    Your circuit and wiring looks fine so my only explanation would be that the nicrom wire inside the glow plug is snapped, if so, thats bad news for you. The good news is that that happened to me and I briefly explained how to fix it in step 6. If the nicrom wire isn't snapped it may also not be making solid contact with the side of the glow plug, if this is the case you just need to get in there with a soldering iron and stick it back on (that happened to me as well =/). The problem with glow plugs is that they weren't designed to have the nicrom wire touched by stuff like flash paper or flash cotton and are therefore quite delicate. If this still doesn't help, leave another comment and ill keep trying to help =3


    4 years ago

    Nice but do you need to press a button or something to shoot?

    1 reply

    Almost there. Needs 3 hours to upload to youtube apparently. Ive included a little magic tricks to say sorry for taking so long.