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WARNING:
CHOKING HAZARD -- Small parts. Not for children under 3 yrs. |
Product Features
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Product Details
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Frequently Bought Together
Product Description
Balance balls are a classic desk toy, also known as newton's cradle.
Customer Reviews
Most Helpful Customer Reviews
13 of 13 people found the following review helpful
Amazon Verified Purchase
Durability:
Fun:
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Length:
0:37
Mins
This thing is smaller than expected. That is my fault as it clearly states that is 2.75 in. My plan was to put it on office desk as a decoration and occasional usage when I got bored at work. However, it's a little two small to look good on a desk. In addition, as others have rated, not all balls are touching at rest. Four out of five of mine were. Furthermore, when I start the cradle, it doesn't last for that long (see video). I put it next to a standard size computer mouse just so you can get an idea of how big it is.
So if you are buying this for decoration or functionality, I would suggest finding a bigger more robust version. If this is for a small kid to play with, then it will be fine for their purposes.
So if you are buying this for decoration or functionality, I would suggest finding a bigger more robust version. If this is for a small kid to play with, then it will be fine for their purposes.
4 of 4 people found the following review helpful
Durability:
Educational:
Fun:
This is a great classic desk toy. It's fun but looks professional at the same time. It can also be a great way to teach kids about the laws of motion.
1 of 1 people found the following review helpful
Amazon Verified Purchase
Durability:
Educational:
Fun:
Teaches about all 3 of Newton's laws in a classic, but fun, way. Can keep you occupied for hours just by looking at it. Also a great stress reliever. Since it's small, you can fit it anywhere.
5/5
5/5
Most Recent Customer Reviews
Newton's Cradle
I knew this was a small one but it is way too small to even use, but not only that 2 of the lines were broke before I got it out of the box. Read more
Published 1 month ago by Darrell N. Dawson
Newton's Cradle - 2.75 inch
Excellent product, very responsible in their sales, are 100% as required, recommended, to deal with you was a real pleasure, thanks for your kind treatment
Published 2 months ago by Alexander
small
You know i didnt expect this to be so small but other than that it does what it was made to do, i mean its not the best quality but for the price its better then ive seen, the... Read more
Published 2 months ago by Justin
You get what you pay for
If you're looking for something just to display it's ok, but the quality is so poor it does not warrant owning. It does not work, balance or even hold together. Read more
Published 3 months ago by X
Works great after some adjustments
My 7-year-old son begged for a Newton's cradle for Christmas but we couldn't find one locally. He mentioned it again a couple weeks ago, so I decided to search for them online... Read more
Published 3 months ago by Brianosaurus
becomes hopelessly tangled very easily
This Newton's Cradle works well but becomes hopelessly tangled very easily. There is no way to fix it when it becomes tangled as you cannot rethread the balls. Read more
Published 4 months ago by Tabby
tic-toc
very good instrument to begin explaining the principles behind the conservation of energy. however, if you are a fan of Mythbusters, you really should go for the bigger (7 1/2")... Read more
Published 4 months ago by Faemeister
Horrible
This product got tangled almost as soon as i used it. Never buy this thing it is a piece of junk
Published 5 months ago by C
Very Poor Quality
Mine broke within just a couple days. It tipped over on my desk and my balls got all tangled up! I tried and tried but could never untangle them. Read more
Published 5 months ago by Lonestar81
sad mom
this is not really meant for a toy! With in 2 days it was broken, the fishing line is not very strong. Read more
Published 5 months ago by sad mom
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