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The QLKUNLA Newton's Cradle features five solid stainless steel balls suspended on durable fishing lines within a polished beech wood frame. Measuring 5.7 x 5.7 x 4.7 inches and weighing just over half a kilogram, it demonstrates the conservation of momentum and energy through perpetual motion. Designed as both an educational tool and elegant office decor, it requires no batteries and offers a tactile, mesmerizing experience that doubles as a stress-relief aid and a stylish gift for science lovers and professionals.
| ASIN | B0B253HMYK |
| Age Range Description | Adult |
| Age range (description) | Adult |
| Battery Description | No batteries required |
| Best Sellers Rank | 8,574 in Toys & Games ( See Top 100 in Toys & Games ) 90 in Educational Science Kits |
| Brand | QLKUNLA |
| Brand Name | QLKUNLA |
| Country Of Origin | China |
| Customer Reviews | 4.0 out of 5 stars 1,339 Reviews |
| Educational Objective | Illustrate physical principles (energy and impulse conservation) |
| Included Components | Newton's pendulum X1 |
| Is Assembly Required | No |
| Item Dimensions | 14.2 x 11.9 x 14.5 centimetres |
| Item Weight | 0.51 Kilograms |
| Item dimensions L x W x H | 14.2 x 11.9 x 14.5 centimetres |
| Item weight | 0.51 Kilograms |
| Manufacturer | QLKUNLA |
| Manufacturer Part Number | A-09 |
| Material Type | Beech |
| Maximum Age Recommendation | 960.0 |
| Minimum Age Recommendation | 36.0 |
| Model Number | A-09 |
| Set Name | Newton's Cradle (5 Balls) |
| Size | 5.7x5.7x4.7 in |
| Theme | Physics |
D**.
It didn’t broken in 5 minutes
It’s good made
A**R
Great Newtons cradle
The only thing my son put on his Christmas list and he is over the moon with it.
N**E
Perfect gift!
Quality was great for the price, solid foundation so it continues to function well now. Size is great for popping on a desk .
A**R
Absolutely terrible. Complete waste of time and money
Item was delivered and put together. The motion lasted around 15 seconds before stopping. After about using it 6 times it became completely tangled up and couldn't be untangled. I had no option but to throw it away. Complete waste of time and money.
A**N
Small
Smaller than I thought it would be.
A**S
It works
Bought as a present and no complaints
S**B
Not for younger kids
The product itself is fine. But my 10 year old got the wires tangled within five minutes play… kind of thought this may happen, but not a kids toy as they just can’t help bashing the balls and making the wires tangle.
C**S
Disappointed
Poor quality. Tangles very easily. Disappointing gift.
S**N
Perfect for display in kids room or desk
Exactly as described my son loves it, lots of kids who visit play with it
L**S
antitranspirant
calme, cà,cebtra
C**N
Super
Marche très bien
J**J
Smaller than indicated.
The item delivered was much smaller than indicated, the base was only 9cm x 8,5cm and the height was only 9cm. The principle of conservation of momentum was demonstrable and so will be adequate for its purpose. However I was disappointed with the size. This needs to be amended in the product description.
ش**3
عادي ليس كما هو متوقع
عادية ومانصح فيها تشطيبها وخامتها عادية ليس المتوقع
Trustpilot
2 weeks ago
2 months ago