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Home » Resources » DIY » DIY Slam Ball For Under $25

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DIY Slam Ball For Under $25

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Written by Coop Mitchell
1
Coop Mitchell

Cooper Mitchell (“Coop’) is the creator of Garage Gym Reviews. He’s produced more content on home gyms and training equipment than likely anyone else in the world and is recognized as the foremost expert in the space. When not writing about barbells, squat racks, and other pieces of equipment, he can be found eating tacos and reading biographies on dead people. Coop has been featured in prestigious publications such as The Art of Manliness, Starting Strength, Men’s Health, Business Insider and many others.

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Updated on July 22, 2022
Updated on July 22, 2022

We test and review fitness products based on an independent, multi-point methodology. If you use our links to purchase something, we may earn a commission. Read our disclosures

A Slam Ball is an incredibly versatile piece of equipment for any garage gym. However, it’s also often pretty expensive. Thankfully, we found a way to make a DIY Slam Ball that can weigh all the way up to 100 pounds.

The best training tools are often the most simple.

The slamball is the epitome of a simple training tool that can completely wreck you. Unlike a barbell that requires maintenance and evenly distributed plates, and can’t be thrown down, the slam ball is always ready to be picked up and thrown to the ground.

I’ve taken my slamball all over, whether that be a football field, stadium runs, when I go out of town and want to have something heavy to workout with, and most often just to use in my front yard (neighbors love me.)

Ross Enamait of RossTraining.com (check it out) has a phrase he uses a lot and it is “you are never gymless.” It’s a very simple phrase that applies directly to DIY equipment.

If you want it bad enough you will make it happen. This slam ball is very cheap to make if you know how to do it and can be one of the best training tools in your garage.

Supplies

  • One 16″ Kickball (Amazon is the best place for this.)
  • 100 lbs. of sand. (You can use less, but 100 lbs. is the most I could fit in the ball)
  • One Tire Patch Kit (I purchased mine here)

Tools

  • Xacto Knife
  • Funnel (Pro-Tip: You want a big funnel, otherwise sand will clump)
  • Sandpaper

Total Price $15 – $30

Instructions

  1. Take the Xacto Knife and cut a hole just big enough for the end of the funnel to fit in.
  2. Insert funnel in the hole and begin pouring sand. (takes about 5-10 mins, much easier with two people.)
  3. Once the slamball is at your desired weight take your sandpaper and sand around the hole to allow the tire patch to stick.
  4. Apply rubber cement that comes with the Tire Patch Kit and place the largest tire patch over the hole making sure to press and stick the entire patch to the ball.
  5. Let rest for 5 minutes.
  6. Slam dat’ ball!

DIY Slam Ball For Under $25

Workout Examples

  • Do 100 med ball squat cleans and EMOM (Every Minute on the Minute) do 5 burpees.
  • Do 1 power clean with theslamball, 1 squat clean, 1 squat clean and jerk slam EMOM for 15 minutes.
  • AMSAP (As Many Slams As Possible) in 10 minutes.
  • Do 1 wall ball (trust me, you won’t be able to do one 😉 )

Final Thoughts

Honestly, this ball can take quite a bit abuse.

I don’t like to be careful when I train and I don’t think you really should be. You should be focused on your form and your effort, not your equipment.

If you were to buy a 100 pound slam ball online you’d pay around $300 mainly because shipping 100 lbs. of anything is expensive. If you don’t believe me on the cost look around.

Make this ball, use it, abuse it, and become stronger. IT’S THAT SIMPLE.

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The Most Trusted Voice in Fitness

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Reviews
  • MERACH T12 Foldable Walking Treadmill Review (2025): A Compact and Affordable Option
  • Evolve Plant-Based Protein Shake Review (2025): Is This Low-Calorie Pea Protein Worth the Price?
  • Huel Ready-to-Drink Review (2025): Can This RTD Really Replace A Meal?
  • C4 Ultimate Shred Review (2025): Is This Fat-Burning Pre-Workout Worth It?
  • Almost Heaven Morgan Barrel Review (2025): A Sleek Barrel Sauna Built for Four
Equipment
  • Best Recumbent Exercise Bikes (2025): Top Picks from Certified Personal Trainers
  • Best Folding Exercise Bikes (2025): Compact and Lightweight Bikes for Small Spaces
  • After Testing More Than 50, We Found The 10 Best Folding Treadmills for Your Home (2025)
  • Best Quiet Treadmills (2025): 7 Peaceful Options for Keeping the Right Pace
  • Best Dumbbells of 2025: Top Picks From Fitness Experts After Thousands of Curls and Presses
Guides
  • Infrared Saunas Buyer’s Guide: Everything You Need to Know to Break a Sweat With Confidence
  • The Ultimate Sauna Guide: Expert Tips on Benefits, How to Use, and More
  • What Foods Have Probiotics? Colon-Ize Your Plate with Help From a Dietitian
  • Home Gym Con 2025 Recap: The New Equipment We’re Most Excited About
  • Tariffs Affecting Gym Equipment Prices (2025)
DIY
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  • Homemade Protein Powder: The Right Whey to Do Home-Cooked Protein
  • Building a DIY Rowing Machine: How to, Why, and Should You?
  • Try These DIY Cold Plunge Ideas To Jump-Start Your Recovery 
  • DIY Mass Gainer: You Make the Shake, and Your Body Makes the Muscle