Discover the Black Pendulum Balls
Specifications of the Black Pendulum Balls
- Materials: ABS, stainless steel
- Dimensions : S = 13.5 cm x 11.5 cm x 13.5 cm / L = 18 cm x 15 cm x 18 cm
- Number of balls : 5
- Style : Black Newton cradle
- Science gift idea
Frequently Asked Questions
What sizes are the Black Pendulum Balls available in?
There are two sizes. The small one measures 13.5 cm x 11.5 cm x 13.5 cm and the large one measures 18 cm x 15 cm x 18 cm.
What is it made of?
It is made of ABS and stainless steel, with 5 balls. The black finish gives it a sober, modern look on a desk or shelf.
How does it work?
Lift one ball and let it swing into the others. The energy passes through the row, and the ball at the other end swings out.
Does it swing forever?
No. Friction and small energy losses at each collision gradually slow it until the balls stop.
Lab protocol What we guarantee with this order Carefully packed to arrive in one piece.
Newton's Cradle for Science Lovers
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(8)
£16.99
This product has multiple variants. The options may be chosen on the product page
Stocking filler
Gareth Pritchard –
Looks smart on the shelf and the balls swing nicely, but the box arrived a week later than the date I was given and nobody emailed to say so. Product itself is fine, just a bit annoyed about the wait as it was meant for a colleague’s leaving do.
Priya Desai –
Bought this for my 9 year old son’s desk and he hasn’t stopped fiddling with it. He lifted two balls instead of one and then spent ten minutes trying to explain to me why the two on the other end flew off. Honestly I learnt something too. The black finish looks lovely against his white shelves.
Margaret Holloway –
Got this for my grandson’s birthday. He grinned from ear to ear. Lovely and heavy, feels well made.
Callum Reid –
third thing I’ve ordered from here and the standard’s been consistent again. Looks sleek on my desk, clacks away nicely. Only reason it’s not five is that it’s a touch smaller than I pictured from the photos, but no real complaint.
Fiona McAllister –
Spot on. Fascinating to watch the energy pass straight through the middle balls and kick the last one out, and the motion goes on far longer than I expected. Sits in the lounge and visitors always end up picking it up.
Doreen Atkinson –
Chuffed to bits. My granddaughter’s face lit up when she set it going, and she’s asked to keep it at hers. Arrived well wrapped too.
Jane Smith –
Grandson was chuffed to bits when he saw it. Couldn’t stop playing with it, mesmerised by the swings. Perfect on his desk.
Michael Turner –
Really something to behold, this. The pendulum swings are spot on, and it’s dead quiet too. Couldn’t believe how sleek it looks amidst the clutter of my office. Keeps me focused, somehow calming.