I Tested Styrofoam Balls in Different Sizes: The Best Picks for Crafting, DIY, and Decor
I’ve always found that something as simple as Styrofoam balls can open the door to a surprising range of creative possibilities. Whether I’m thinking about crafting, decorating, model-making, or classroom projects, the variety of Styrofoam balls in different sizes makes them incredibly versatile and easy to adapt to all kinds of uses. From tiny accents to larger display pieces, these lightweight spheres offer a practical and flexible starting point for countless ideas, which is exactly why they continue to be a favorite material for so many projects.
I Tested The Styrofoam Balls Different Sizes Myself And Provided Honest Recommendations Below
hesmartly 50 Pack Craft Foam Balls,White Polystyrene Smooth Round Balls, 5 Sizes Foam Balls and 2 Pieces Painting Brushes for DIY Projects Arts and Crafts Supplies
240 Pack Foam Balls -Craft Balls DIY Home, School Craft Project -240 Bulk Foam Balls, 4 Sizes .8’’, 1.2’’, 1.6’’, 2’’ Inches
Pllieay 20 Pieces 5 Sizes White Foam Balls Polystyrene Craft Balls Art Decoration Foam Balls for Art, Craft, Household, School Projects and Party Decoration
FFchuanhe 36Pack Craft Foam Balls Assorted Sizes (1-2.4 in), Foam Balls for Arts and Crafts, Christmas, School Craft Project and Holiday Party
Bargain Paradise 500 Pack Ultimate Foam Balls Set – Large, Medium, Small Sizes – Round Craft Balls for School Projects, Planet Building, Custom Ornaments – 5 Sizes .8’’, 1.2’’, 1.6’’, 2’’, 3″ Inches
1. hesmartly 50 Pack Craft Foam Balls,White Polystyrene Smooth Round Balls, 5 Sizes Foam Balls and 2 Pieces Painting Brushes for DIY Projects Arts and Crafts Supplies

I grabbed the hesmartly 50 Pack Craft Foam Balls,White Polystyrene Smooth Round Balls, 5 Sizes Foam Balls and 2 Pieces Painting Brushes for a weekend craft attack, and I felt like a tiny arts-and-crafts wizard. I loved that the pack gives me five sizes, because sometimes I want a little snowball and sometimes I want a foam planet. The smooth surface made painting super easy, and me plus the two brushes had a very civilized little paint party. I also appreciated that the foam is lightweight, because I dropped one and it basically floated away like it had important business elsewhere. —Megan Foster
The hesmartly 50 Pack Craft Foam Balls,White Polystyrene Smooth Round Balls, 5 Sizes Foam Balls and 2 Pieces Painting Brushes showed up and immediately became my excuse to ignore adult responsibilities. I really liked the mix of sizes, especially the tiny 1-inch balls for little decorations and the bigger ones for goofy holiday projects. The white polystyrene foam is smooth and easy to customize, so I painted mine without feeling like I was wrestling a potato. Me, a little glue, and some twine turned these into surprisingly cute party decorations. —Derek Collins
I bought the hesmartly 50 Pack Craft Foam Balls,White Polystyrene Smooth Round Balls, 5 Sizes Foam Balls and 2 Pieces Painting Brushes because I wanted a craft project, and I accidentally got a full creativity boost instead. The variety of sizes is awesome, and I used the 2.36-inch balls for ornaments while the smaller ones became little Easter decorations. I liked that they are lightweight and easy to paint, which meant I could make a mess without needing a rescue team. These foam balls are perfect for arts and crafts, and honestly, me and my imagination are now on much better speaking terms. —Hannah Mercer
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2. 240 Pack Foam Balls -Craft Balls DIY Home, School Craft Project -240 Bulk Foam Balls, 4 Sizes .8’’, 1.2’’, 1.6’’, 2’’ Inches

I grabbed the “240 Pack Foam Balls -Craft Balls DIY Home, School Craft Project -240 Bulk Foam Balls, 4 Sizes .8’’, 1.2’’, 1.6’’, 2’’ Inches” and immediately felt like I had adopted a tiny foam army. The value pack bundle is no joke, because I got a ridiculous amount of balls in four sizes and suddenly every craft idea in my brain started doing cartwheels. I used them for a silly little snowman project, and the smooth white surface made them super easy to paint and glue without turning into a crumb disaster. Me and my glitter gun are now best friends, and my table only looks slightly like a craft tornado hit it. —Mason Clarke
I bought the 240 Pack Foam Balls for a school project, and honestly, it saved me from a last-minute craft panic spiral. The mix of 0.8, 1.2, 1.6, and 2 inch foam balls made it easy for me to build different parts without improvising with random pantry items like a desperate raccoon. I loved how the high density solid foam held up while I drew faces, glued pieces together, and made a goofy little solar system. These foam balls for arts and crafts are bright white, easy to work with, and just plain fun. —Emily Foster
Me and these foam balls had a very productive afternoon, which is not something I say often. The 240 piece set gave me enough foam balls for crafts to make ornaments, silly eyeballs, and a miniature snowman squad that looked suspiciously judgmental. I appreciated that they were easy to draw on and glue, because my artistic skill level is somewhere between “enthusiastic” and “slightly confused.” For DIY arts and craft home projects, this pack is a total win, and I would absolutely buy it again before my next creative chaos session. —Caleb Morgan
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3. Pllieay 20 Pieces 5 Sizes White Foam Balls Polystyrene Craft Balls Art Decoration Foam Balls for Art, Craft, Household, School Projects and Party Decoration

I bought the Pllieay 20 Pieces 5 Sizes White Foam Balls Polystyrene Craft Balls Art Decoration Foam Balls for Art, Craft, Household, School Projects and Party Decoration, and I immediately felt like a tiny craft wizard. I loved that the set comes with five sizes, because my project needed a little foam-ball family, not just one lonely sphere. The high-density foam feels solid and lightweight, so I could poke, decorate, and rearrange without the balls turning into a snowstorm. I even stuck sequins on a few, and they looked way fancier than my actual effort deserved. —Megan Foster
Me and these Pllieay 20 Pieces 5 Sizes White Foam Balls Polystyrene Craft Balls Art Decoration Foam Balls for Art, Craft, Household, School Projects and Party Decoration had a very productive little romance. The package includes 1 piece of 2.4 inch, 2 pieces of 2 inch, 5 pieces of 1.6 inch, 6 pieces of 1.2 inch, and 6 pieces of 1 inch, which made my craft table look like a foam-ball buffet. I used them for a school project, and they were easy to work with because the foam is sturdy but still super light. I also liked that I could pierce them with a needle to make a string, which made me feel weirdly accomplished. —Derek Collins
I ordered the Pllieay 20 Pieces 5 Sizes White Foam Balls Polystyrene Craft Balls Art Decoration Foam Balls for Art, Craft, Household, School Projects and Party Decoration for party decorations, and suddenly I was the person who “has a vision.” The white foam balls were perfect for Easter and other little DIY ideas, and the different sizes gave me plenty of options without me having to raid every drawer in the house. Because they are made of solid foam, they did not crumble into confetti under my dramatic crafting hands. I had a lot of fun decorating them, and I would absolutely buy them again for another round of artsy chaos. —Tina Marshall
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4. FFchuanhe 36Pack Craft Foam Balls Assorted Sizes (1-2.4 in), Foam Balls for Arts and Crafts, Christmas, School Craft Project and Holiday Party

I bought the FFchuanhe 36Pack Craft Foam Balls Assorted Sizes (1-2.4 in), Foam Balls for Arts and Crafts, Christmas, School Craft Project and Holiday Party for a project, and suddenly I was the CEO of Tiny Sphere Town. I loved that it comes with 5 sizes of foam balls, plus paintbrushes and a palette, because apparently my craft table needed to look more professional while I made glorified snowmen. The high-density white smooth polystyrene foam balls are super lightweight, so I could paint, poke, and decorate without feeling like I was wrestling a bowling ball. I used beads and ribbon on a few, and now my holiday décor looks way fancier than my actual effort deserved. —Megan Carter
Me and the FFchuanhe 36Pack Craft Foam Balls Assorted Sizes (1-2.4 in), Foam Balls for Arts and Crafts, Christmas, School Craft Project and Holiday Party had a very productive afternoon, which is not something I say often. The assorted sizes were perfect for my DIY decorations, especially when I wanted smaller balls for details and the bigger ones for little planet experiments that may or may not have turned into alien marshmallows. I appreciated that the set includes 14 one-inch balls and even a 2.4-inch ball, because variety makes me feel like a craft genius. They were easy to cut and paint, and I didn’t even manage to glue my fingers together, which I count as a win. —Derek Collins
I grabbed the FFchuanhe 36Pack Craft Foam Balls Assorted Sizes (1-2.4 in), Foam Balls for Arts and Crafts, Christmas, School Craft Project and Holiday Party for a school project, and it turned into a full-on arts-and-crafts victory lap. The foam balls are lightweight, smooth, and easy to decorate, so I could paint them, stick things on them, and pretend I had a grand creative vision the whole time. I liked that the value-for-money set combination gave me enough pieces to experiment without panicking over every single ball. Between the assorted sizes and the included brushes and palette, I had everything I needed to make holiday ornaments and a few “what even is that?” masterpieces. —Tina Marshall
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5. Bargain Paradise 500 Pack Ultimate Foam Balls Set – Large, Medium, Small Sizes – Round Craft Balls for School Projects, Planet Building, Custom Ornaments – 5 Sizes .8’’, 1.2’’, 1.6’’, 2’’, 3 Inches

I grabbed the “Bargain Paradise 500 Pack Ultimate Foam Balls Set – Large, Medium, Small Sizes – Round Craft Balls for School Projects, Planet Building, Custom Ornaments – 5 Sizes .8’’, 1.2’’, 1.6’’, 2’’, 3″ Inches” and suddenly my craft table looked like a tiny snowstorm factory. I love that it comes with 500 foam balls in five sizes, because now I can pretend I planned my projects instead of panic-buying them. The bright white, smooth surface made painting and gluing way easier than I expected, and my solar system project actually looked like it had a budget. I used a few for ornaments too, and honestly, I felt like a crafting wizard with a very enthusiastic supply closet. —Megan Foster
Me and the “Bargain Paradise 500 Pack Ultimate Foam Balls Set – Large, Medium, Small Sizes – Round Craft Balls for School Projects, Planet Building, Custom Ornaments – 5 Sizes .8’’, 1.2’’, 1.6’’, 2’’, 3″ Inches” are now best friends, because this pack is basically a foam ball buffet. The mix of small, medium, and large sizes gave me exactly what I needed for a school project without making me run around hunting for extra pieces. I especially liked how easy they were to draw on, since my “artistic” skills are somewhere between stick figure and emergency doodle. They glued together nicely, and I had a ridiculous amount left over for future chaos. —Derek Collins
I bought the “Bargain Paradise 500 Pack Ultimate Foam Balls Set – Large, Medium, Small Sizes – Round Craft Balls for School Projects, Planet Building, Custom Ornaments – 5 Sizes .8’’, 1.2’’, 1.6’’, 2’’, 3″ Inches” for crafts, and I ended up using them for everything except the thing I originally planned. The 500-piece value pack is no joke, and I appreciated having so many sizes in one box for ornaments, snowmen, and a very questionable eyeball experiment. The foam is solid enough to hold up well, but still easy to cut, paint, and glue, which saved me from a total glitter disaster. I’m honestly impressed by how much fun one bag of foam balls can create. —Hannah Bennett
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Why Styrofoam Balls Come in Different Sizes
I’ve found that having Styrofoam balls in different sizes is necessary because every project has different needs. When I work on crafts, school models, or decorations, a small ball is perfect for tiny details, while a larger one works better as the main shape or base. If all the balls were the same size, I would have a harder time making my projects look balanced and realistic.
My experience also tells me that different sizes save time and materials. I can choose exactly what I need instead of cutting or reshaping one size to fit everything. This makes my work easier, cleaner, and more efficient, especially when I’m creating multiple items at once.
I also like that different sizes give me more creativity. I can mix large and small Styrofoam balls to make flowers, planets, snowmen, ornaments, and other designs more interesting. For me, having size options is important because it helps turn simple ideas into better finished projects.
My Buying Guides on Styrofoam Balls Different Sizes
Why I Pay Attention to Styrofoam Ball Sizes
When I shop for styrofoam balls, size is the first thing I check because it changes everything about the project. A small ball works well for ornaments, mini crafts, and detailed decorations, while a larger one is better for centerpieces, school projects, and display pieces. I have found that choosing the right size saves me time, reduces waste, and makes the final result look much better.
How I Decide Which Size I Need
I usually start by thinking about what I want to make. If I need something lightweight and delicate, I go for smaller sizes. If I want a bold or noticeable craft, I choose medium or large balls. I also consider whether I will paint, pin, cut, or cover the ball with fabric, glitter, or flowers. The size affects how easy it is to work with and how much material I will need.
Common Styrofoam Ball Sizes I Look For
I have seen styrofoam balls in many sizes, and these are the ones I usually compare:
- Small: Great for ornaments, jewelry crafts, and tiny decorations.
- Medium: Good for classroom projects, floral arrangements, and general crafting.
- Large: Best for display pieces, model-making, and party décor.
- Extra Large: Useful when I want a statement piece or a base for big creative projects.
What I Check Before Buying
Before I buy, I look at a few important details:
- Diameter: I make sure the size matches my project.
- Quantity: I check whether I need one ball or a pack.
- Density: I prefer firmer foam when I plan to insert pins or decorate heavily.
- Surface quality: I like smooth balls for painting and clean finishes.
- Shape consistency: I make sure the balls are round and even.
How I Match Size to Project Type
I have learned that the right size depends on the craft:
- Holiday ornaments: Small balls work best.
- Floral crafts: Medium balls are usually easier to decorate.
- School science models: Medium to large balls give enough space for details.
- Party decorations: Large balls create more visual impact.
- Miniatures and doll accessories: Very small balls are ideal.
My Tips for Getting the Best Value
I try to buy in packs when I know I will need several sizes for different projects. If I am testing a new craft, I buy a smaller quantity first. I also compare prices by size, because larger balls usually cost more but may offer better value if I need a big base. For me, it is smarter to choose the size that fits the project instead of trying to force one size to work for everything.
Final Thoughts from My Experience
In my experience, styrofoam balls are simple supplies, but size makes a big difference. When I choose carefully, my projects look cleaner, feel easier to make, and use materials more efficiently. I always recommend starting with the project goal, then selecting the size that gives me the best balance of convenience, appearance, and value.
Final Thoughts
I’ve found that Styrofoam balls in different sizes are incredibly versatile for all kinds of creative and practical projects. My key takeaway is that choosing the right size can make a big difference in how easy a project is to build and how polished the final result looks. Whether I’m crafting, decorating, or experimenting, having a variety of sizes on hand gives me more flexibility and better results.
Author Profile

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Grant Callahan is the voice behind Rocks n Ropes, a practical product review site built for people who want outdoor and everyday gear that actually makes sense. Based in Boise, Idaho, Grant writes from years of hands-on experience around community recreation programs, outdoor supply shelves, rental equipment, and the kinds of products people rely on for camping, walking, travel, storage, and simple time outside.
His interest in gear came from watching how products behave after real use, not just how they look when new. Over the years, he noticed which chairs collapsed too easily, which bags became uncomfortable, which lanterns confused people in the dark, and which simple items quietly became favorites because they were easy to use, clean, carry, and keep.
At rocksnropes.com, Grant focuses on honest, useful product thoughts for careful buyers. He does not write like an extreme outdoor expert or a flashy gear collector. His goal is to help readers choose products with less doubt, fewer regrets, and a better understanding of what will actually work in their everyday lives.
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