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⚡ Swing into brilliance with every click — where science meets style!
The QLKUNLA Newtons Cradle features 7 polished steel beads in a compact frame, demonstrating the conservation of momentum and energy through perpetual kinetic motion. Ideal for office desks or classrooms, it combines educational value with sleek design, making it a perfect stress-relief toy and conversation starter for professionals and science enthusiasts alike.
| ASIN | B0C7KRG6NP |
| Best Sellers Rank | #4,470 in Toys & Games ( See Top 100 in Toys & Games ) #170 in Educational Science Kits |
| Customer Reviews | 4.2 4.2 out of 5 stars (1,881) |
| Item Weight | 2.57 pounds |
| Item model number | A-12 |
| Manufacturer | QLKUNLA |
| Manufacturer recommended age | 3 years and up |
| Product Dimensions | 6.69 x 4.7 x 5.83 inches |
A**R
Great science learning
Very nice but beware of tangling nylon cords if used with too young of child. I recommend this for 8 yr old and up.
J**H
Great quality
My son requested one of these for Christmas. Well made and he loves playing with it.
L**N
Relaxing item
It's smaller then I thought it would be but still looks and works great.
K**Y
Works fine after fixing broken string
The product came with one of the strings broken, thankfully I was able to superglue it back
D**I
Great valentines day gift
Great Valentine's day present for my fiance
P**K
Not great
Worked okay for a few minutes but broke way too easily. Barely even did anything and one of the balls just snapped out. The string they are on is not very secure. It looks nice but didn't last long
R**.
Good toy and teaching tool
Great teaching tool for “conservation of energy”. Also, a fun tool. NO BATTERIES NEEDED!!
R**S
Great product
Bought for family Christmas present and lived by all! Great value!
M**.
Works perfectly
K**T
Fine as a pre-teen toy
C**N
Marche très bien
J**J
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.
て**ー
良い。届くのに少し時間はかかるがものはいい。
Trustpilot
2 weeks ago
5 days ago