#1,741 in Toys & Games
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Reddit mentions of Jumbo 3" Size - My Balls Pack of 150 Crush-Proof Ball Pit Balls - 5 Colors Phthalate Free; BPA Free; Non-Recycle Plastic
Sentiment score: 2
Reddit mentions: 3
We found 3 Reddit mentions of Jumbo 3" Size - My Balls Pack of 150 Crush-Proof Ball Pit Balls - 5 Colors Phthalate Free; BPA Free; Non-Recycle Plastic. Here are the top ones.
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- Usage: Ball Pit Balls were Designed for and Intended for use by kids/adults in a Properly Designed Ball Pit or Enclosure. For Business Usage, please order our Jumbo 3” Commercial Grade Balls.
- Crush-Proof/Crush-Resist, NOT Puncture-Proof. NOT designed for or Intended for Household Pets Usage. ( for Pets use, Please refer to our HDPE Balls ).
- Our Jumbo 3" Size Home Grade Balls were designed for average Home use as well as for Business Us. Soft Air-Filled; Re-enforced Seam and Crush-Resist. Perfectly Safe for Kids of over 1 year old and with body weight up to 150+ lbs ( HD Commercial Grade Balls up to 250+ lbs Best for Kids age 10 and over )
- Size Does Matter! Beware of our competitor's much smaller size balls as our Jumbo Size 3" Balls are over 2X the size compared with their 2.35"(60mm) or 2.25"(55mm) balls by volume. Please refer to our Ball Size Comparison Chart showing numbers of balls required to fill 1 cubic foot of volume. Each pack of 100 Jumbo 3” Balls will fill approximate 1.4 cubic feet of volume.
- Safety: Built with Phthalate Free; Lead Free; BPA Free; non-Toxic; non-Recycled Food Grade Plastic. Smooth non-porous surface make cleaning & maintenance easy. We DO NOT add chemicals to enhance colors; and/or to protect against UV light. Less Chemicals means these balls are safer for younger kids.
- Quality: These balls are the most durable balls available in the market . Using a unique 2-stage blow-molding process to ensure consistency in thickness & weight. Each Ball weighed in at 10 grams ( 15 grams for HD Commercial Grade Balls ) heavy, compared with our competitor's balls weighed at only 3~5 grams light, These Balls would last much longer even under the most demanding usage.
- Bright Colors: Random Colors of: Red; Yellow; Blue; Green; Purple, Orange and more. Our Commercial Grade Balls available in 30+ Popular Colors. Prepackaged for fast immediate shipping in packs of 100~600 Balls. Ball Pit Balls are shipping by volume known as Dimensional Weight and not at actual weight, therefore Amazon DO charges separate shipping due to large size & volume.
- Designed in the US and Made in China. for Warranty Information? please refer to manufacturer for details. For Larger Quantity Order? please contact Dealer for availability & Shipping Options
Features:
Specs:
| Color | Red, Yellow, Blue, Green & Purple |
| Height | 3 Inches |
| Length | 3 Inches |
| Number of items | 150 |
| Size | 3 inch (Pack of 150) |
| Weight | 0.03 Pounds |
| Width | 3 Inches |
In order to answer part of what you wrote in the first paragraph, the pool is 90 inches in diameter at the outer edge. It does not give the interior diameter, but we can get a rough estimate by looking at the cylinders that make up the wall. Three cylinders add up to 20 inches, so each cylinder is roughly 7 inches in diameter, which makes the interior diameter of the pool 76 inches (radius = 38 inches).
Calculate the volume:
38^2 pi 20 = 90,729 in^3 = 392 gallons.
38^2 pi 14.5 = 65,779 in^3 = 284 gallons
I get a different number when calculating for the ball size. You use a radius of 1.08 inches. I calculate 5 cm /2 = 2.5 cm radius = 0.98 inch diameter. I also would like to point out that a 5 cm ball is smaller than the balls in a commercial ball pit (think Chuck E Cheeses). Standard ball pit balls would probably be more like 3 inches in diameter, but that's a rough guess from memory. I don't have anything to measure.
Using the packing density of 0.64 you give from XKCD, we get the following:
5cm balls: 0.98^2 Pi 4/3 = 4.0 cubic inches
65,779 in^3 0.64 / 4.0 in^3 = 10,525 balls
3in balls: 1.5^2 Pi 4/3 = 9.4 cubic inches
65,779 in^3 0.64 / 9.4 in^3 = 4,479 balls
Here are a couple of sources for 3 inch balls:
26 cents per ball
http://www.amazon.com/150-Large-Crush-Proof-Ball-Balls/dp/B000VX2PO0/ref=sr_1_3?s=toys-and-games&ie=UTF8&qid=1449891804&sr=1-3&keywords=3+inch+ball+pit+balls
21.31 cents per ball
http://www.amazon.com/Pack-Crush-Proof-Ball-Balls/dp/B000NNM41C/ref=sr_1_6?s=toys-and-games&ie=UTF8&qid=1449891804&sr=1-6&keywords=3+inch+ball+pit+balls
That's still super expensive (4,479 0.2131 = $954.47) and costs more than the 5 cm balls (10,525 0.082 = $863.00), though the 5 cm balls may not give the same ball pit experience you remember as a kid. Getting a smaller pool would definitely make it more affordable.
Edit: You could probably get by with significantly fewer balls depending on the age of your kids. Here is a small ball pit without balls, but take a look at the dimensions and number of balls in the first review.
http://www.amazon.com/FocuSun-Playpen-39-4-inch-19-7-Inch-Zippered/dp/B00XPLB35M/ref=sr_1_1?ie=UTF8&qid=1449892883&sr=8-1&keywords=4+inch+ball+pit+balls
googled "ball pit balls bulk" and got this
I imagine it'd be easiest to get them this way, rather than try to find them locally. Having them shipped solves your transportation problem too. The downside being, it won't be cheap.
Well the good news is now you can get on the internet and buy enough ball pit balls to fill a room of your house and relive childhood like a boss.