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These ninja balls are customizable, mashable, and perfect for juggling. The best part is you can make them at home for practically nothing.

In this project you’re turning some flour and a bag of party balloons, into a colorful batch of superhero stress balls.

Step 1: Watch the Video!

Step 2: What You'll Need

All you need to start this project is a variety of latex party balloons, and a container like a juice bottle. This one has a wide mouth, and you’ll see why that’s better in just a minute.

If you cut a common water bottle in half, it’ll turn upside down and form a makeshift funnel. You can use this to start filling your juice bottle with flour, and you’re going to need about 3/4 of a cup.

Shaking the funnel up and down rapidly, transfers the flour into the juice bottle.

Step 3: Geting the Flour in the Balloon

The next step is to get it inside a balloon. You need to find 3 balloons that are all the same color, and for this first one, I’m going to choose yellow.

To get the flour inside, simply blow a balloon and twist the neck around 4-5 times so the air is trapped inside. Stretch the mouth of the balloon over top of the juice bottle, and when it’s on securely, just let the balloon go.

If you turn the bottle upside down and squeeze it repeatedly, you can see the flour transfers easily, without making any mess.

Step 4: Massage and Compress

Pinch the neck of the balloon and pull it off the bottle, so you can let the air out, but it will be important to pinch it off again before it starts spewing out flour dust.

You still need to get as much air out of the balloon as you can, and massaging the base will help compress the flour and move any trapped gasses to the top. At this point you should be able to let go, and the flour will stay neatly inside the balloon.

Get ready for the next step by carefully cleaning the outside of the balloon with a damp cloth, then slowly and carefully use a pair of scissors to cut the excess off the top.

Step 5: More Layers for Durability

While that’s settling down, prepare the other balloons by cutting the ends off them as well.

Pulling them open, you should be able to get all your fingers inside. If you stretch them open wide enough, you can place the center over the flour ball, then wrap it around to the underside. That’ll seal the flour inside, and hold everything together firmly. You can then remove any little ripples, by pulling the edges until it looks nice and smooth.

If you want to make sure this never comes apart, one option is to use a few dabs of super glue on the underside of the lip. The glue bonds really well to rubber, and will help prevent the balloons from pulling apart.

You can also increase the durability by adding a couple more balloons. This makes it exponentially stronger, and depending on how firm you want it, you can add as many layers as you want, but try not to use less than 3.

I used 4 balloons for this one, and the finishing step is to add a black ninja mask.

Step 6: The Mask

To form the mask, just make 4 x “U” shaped cuts around the edges of a black balloon, then fold it in half so you can cut a “U” shape out of the side. When you open it up you should have a relatively circular hole right in the center.

Putting the mask on the ninja ball is as simple as turning the band inside out, then wrapping it around the outside.

Try matching one of the holes on the mask with the seam on the ball, and the seam will virtually disappear. This is really cool because most people will have no idea how you made it.

Step 7: Ninja Turtle Eggs

Just for fun I made 4 solid green balls with blue, purple, orange and red ninja masks. Now I know you can totally see where I went with this. Baby ninja turtle eggs.

Now check this out. If you stack them on top of each other and push down hard, you can get a feel for how squishy they really are. Not only that, but they’ll stick to each other as well.

I tried smashing them into the ground and was amazed by how resilient they are. Check out how they all formed different shapes. I wonder if this could be classified as modern art? These will hold their shape as long as you don’t mess with them too much.

Step 8: Superhero Powerballs

If you play around with different color combinations, you can see just how easy it is to make any superhero theme you can think of. I tried making a whole variety of different colors, and was impressed that 1 cheap bag of flour, makes over 20 different toys.

The soft rubbery texture makes them easy to grip, so they’re actually perfect for juggling, and since they’re ridiculously cheap to make, they’re an awesome gift for kids.

Step 9: More Projects

Well now you know how to take a sack of flour and handful of party balloons and convert them into squishy, superhero stress balls.

That’s it for now. If you liked this project, perhaps you’ll like some of my others. Check them out at www.thekingofrandom.com

<p>noice </p>
These are cheap and look great! I will have to make these sometime.
Love it! Great build! Its small and somewhat heavy, making it great for throwing around the house or park, without making too much damage. I also like the ability to throw it on the ground and make it flat on one side so it doesn't roll away. Keep it up, Mr Thompson!
I just discovered you today and I love your easy-to-follow instructions. I'm making my shopping list now
<p>Wow</p>
<p>I realize the ninja step is probably easy, but I can barely see it in the video. And, since I was always the one who cut on the fold in art class, is it possible to post a picture of the cut out balloon? I want to make them for my grandsons!</p>
This is a great idea I made 3 of these and used them to learn how to juggle and since they were so easy to grip I learned in about 30 minuets
<p><strong><em>lol</em></strong></p>
<p>Why exactly is funny?</p>
<p><strong><em>lol</em></strong></p>
great, simple project. I substituted rice for flour and it cleaned up a lot easier.
<p>Used sugar instead of flour for a stiffer ball and rubber cement instead of Super Glue. Made with 6 balloons and they've been my stress balls for over 3 months now with no breakage. </p>
<p>what size latex party balloons as can go up like 12 inc down like 5 ish</p>
<p>As long as you have enough flower. Try to buy the cheapest most heavily processed flour since it's cheaper and your not eating it.</p>
<p>I said cheap twice :P</p>
<p>That's just how cheap and undesirable it is.</p>
<p>I saw an idea for making it easier to fill. Use a baggie. Fill it with flour and then stretch the balloon over the baggie.</p>
<p>super id&eacute;e, g&eacute;niale, merci! mes petits ninjas vont adorer! f&eacute;licitations</p>
<p>Awesome I love this I'm also going to make the Lego gummys.?.thanks king of random</p>
<p>Thanks for this video. I have a 2 years son and he enjoys making this ninja ball with me which gives me a really nice time. </p>
I love this video
This is a great video do I put my address or something
i wanna do this, but won't the flour eventually go bad inside the balloon?
Lots of fun keeps my hands busy
<p>thnx... i'll try to make that keep it up the king of the random give us more of ur awesome projects:)</p>
<p>2/3 of a cup worked better for me... Really easy to do!</p>
<p>Wow</p>
<p>A great Instructable as usual! This would be a good way to commemorate events that have custom-printed balloons.</p>
<p>May just have overstuffed ours... great project</p>
<p>will make these right away!!!</p>
<p>Still working on making them consistently ... but the first set turned out pretty good ... now making a smaller set so that my daughter and I can both practice our juggling!</p>
I made these except with a very thick mixture of cornstarch and water :)
<p>it Is Cool !! And Too Much easy...</p>
<p>How durable are these, and how likely to rupture if thrown around hard?</p>
<p>Very Cool! I did this with rice, instead of flour, but I like the idea of the Ninja Mask. Well Done Instructable!</p>
<p>This is cool. I like how you took the flour in a balloon project and <br>went a few steps further by not only showing an easier way to fill the <br>balloons but also having a nicer looking finished project.</p>
<p>I was way curious reading your ible overlooking the author. Towards the end i ready this line <b>&quot;</b><b>If you liked this project, perhaps you&rsquo;ll like some of my others&quot; </b>that time i realized this must be The king of Random and i was not surprised to see the Author :P</p>
<p>This looks like a fun project. I think I will save it for when the grands get older so I can have creative time with them. </p>
<p>super neat</p>
<p>Instead of super glue use rubber cement. super glue will dry hard and crusty white. Rubber cement creates a contiguous rubber seal: water tight, flexible, and clear.</p>
Going to make these with Alyssa!
<p>Cool. I will be making these soon!</p>
<p>Great! I made a set of these years ago, filled with rice, not flour. I couldn't work out how to get much more in than a deflated balloon would hold - you have revealed the secret of the juice bottle however, and the world owes you a debt of gratitude for ever and ever...</p>
<p>Fun project! My stepson and I actually made these a few months ago from your YouTube video.</p>
Looks like a fun project as you've written it funny...watching where to get these balloons :D
<p>Thanks for the share these look fun to make!</p>
Really cool project
Awesome Project...<br>And Thanks for Sharing....
<p>Good job! I really like the looks.</p>

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Bio: Random Weekend Projects
More by The King of Random:5 Ways to Start a Fire, Using Water  How to make a Batarang like "The Dark Knight" How to Make Ninja Stress Balls  
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