newtons cradle
Worth a lookShows beatable incumbent ratings (3.6★), but soft demand (-16.8% this quarter) keeps it on the watch list.
Quality gap
Incredible3.6★avg incumbent rating — lower means beatable quality
Review moat
Great211.41avg incumbent reviews — the moat a new listing must climb
Brand share
Great54%top-5 brand share — no brand owns this niche
Price range
Good£5.05–£39.18cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Good2.4%return rate — above 5% kills the launch gate
Avg price
Good£13.42avg listing price — sweet spot $15–$100
Conversion
Good4.4%search→purchase rate — share of searches ending in a sale
Competition
Good54%top-5 click share — leaders hold, buyers still browse
Market size
Bad£93K£93K/yr · 157K searches
Growth
Bad-16.8%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, newtons cradle is a £93K/yr Amazon United Kingdom market (157K searches/yr). The top 5 brands hold 54% of demand. Demand peaks in Nov–Dec. Verdict: Worth a look — 55/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
newtons cradle market data
- Units sold / yr
- 6K–8K
- avg 100–250/product
- Revenue / yr
- £81K–£107K
- units × avg price
- Conversion rate
- 4.4%
- Avg BSR
- #985
- Page quality
- 0%
- Prime
- 91%
- Sponsored
- 86%
- Out of stock
- 9.4%
- Avg brand age
- 40 months
- Avg seller age
- 201 days
Competition & brand share
The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.Brands
17 falling
Sellers
22
Top-5 brand share
54%
Top 20: 100%
Top-5 click share
54%
Top 20: 98%
Open market
38%
- BRAVECOW16%
- QLKUNLA11%
- InGenious11%
- Bavooty9%
- Generic8%
- TELADESHX7%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -16.8% search growth over the last 90 days.Peak months: Nov, Dec · busiest ÷ quietest = 5.6×
Top newtons cradle search terms
- newtons cradle119K/yr
- newtons cradle desk toy19K/yr
- newton cradle8K/yr
- newton6K/yr
- newtons cradle large5K/yr
Top newtons cradle products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 22 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
BRAVECOW Swing Balance Balls Newtons Cradle Metal Crafts Kids Teen Toy Science Physics Educational Desktop Decoration Kinetic Motion Home Office Ornaments Desk Gadgets Gift
BRAVECOW£8.093.5★39 rev
QLKUNLA Newtons Cradle Balance Balls Science Physics Gadget Desktop Decoration Kinetic Motion Toy for Home and Office
QLKUNLA£14.344.0★1,364 rev
InGenious Newtons Cradle Five Pendulum Classic Physics Swinging Executive Desk Toy
InGenious£13.834.4★724 rev
Newton Cradle Balance Ball Newton Pendulum 5 Physical Swinging Magnetic Balls Newtons Cradle Pendulum for Educational Science Office Desk Stress ReliefBurgun-red base
Bavooty£5.053.1★116 rev
Newtons Cradle Balance Balls 5 Physical Swinging Magnetic Balls Science Desk Gadgets Home Office Desk Decoration Stress Relief Gift
TELADESHX£6.283.8★67 rev
Newest
by launch date
Perpetual Motion Toy Earth Inspired Device 23.5x10.5cm Kiėtiċ Energy Model Newton Balance Machine Physics Learning Display For Classroom Desk Home Decor
Generic£8.000 rev
Theefun Newtons Cradle Balance Balls 7 Beads Swinging Balls with 50 Sec Swing Kinetic Steel Balls for Stress Relief Science Physics Education Desk Ornaments Office Decoration
Theefun£17.7046 rev
Celestial Orbit Perpetual Motion Pendulum Newtons Cradle Perpetual Motion Machine Art Sculpture Desktop Decor for Office Home Gift for Astronomy Lovers Teachers
Generic£14.8014 rev
TIKATARER Newtons Cradle Luminous Perpetual Motion Machine with Exquisite Appearance for Desktop Entertainment and Decoration
TIKATARER£9.561 rev
Newtons Cradle Luminous Perpetual Motion Machine Desk Toys with Exquisite Appearance for Desktop Entertainment and Decoration (1)
Dioche£10.1010 rev
Trending
90-day click momentumPerpetual Motion Toy Earth Inspired Device 23.5x10.5cm Kiėtiċ Energy Model Newton Balance Machine Physics Learning Display For Classroom Desk Home Decor
Generic£8.000.0★
Theefun Newtons Cradle Balance Balls 7 Beads Swinging Balls with 50 Sec Swing Kinetic Steel Balls for Stress Relief Science Physics Education Desk Ornaments Office Decoration
Theefun£17.703.9★
TIKATARER Newtons Cradle Luminous Perpetual Motion Machine with Exquisite Appearance for Desktop Entertainment and Decoration
TIKATARER£9.562.0★
OAAO 2 pieces Newton pendulum ball Newton balance ball physical swing magnetic educational toy perfect for decoration in offices homes and other indoor places. (burgundy bottom black bottom)
OAAO£6.002.6★
Newton Cradle Balance Ball Newton Pendulum 5 Physical Swinging Magnetic Balls Newtons Cradle Pendulum for Educational Science Office Desk Stress ReliefBurgun-red base
Bavooty£5.053.1★
What buyers say about newtons cradle
What buyers praise and complain about, mined from review topics.What buyers love
“Well made item”
“Great product which in opinion offers great value for money”
“Great fun too play with in fact fascinating”
“durable”
“It was a present for our son”
“Easy assembly”
“science teacher loved it”
“Sturdy and well made”
“+ The glowing light effect looks quite decent in a dark room”
What buyers complain about
“- Made entirely of cheap”
“Not at all like the cheap alternatives”
“Disappointing plastic build and performance”
“All plastic, doesnt work as it should, in fact doesnt work, dont waste your money”
“it's size was bigger than I expected”
“with in no time the string broke”
“Misleading description”
“Broke first day”
“Unusable”
“Got tangled when putting together”
Top return reasons
Common questions
- Is newtons cradle profitable to sell on Amazon United Kingdom?
- The niche generates £93K/yr across 22 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -16.8%. Flapen's verdict: Worth a look (55/100).
- How competitive is the newtons cradle niche?
- 17 brands and 22 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 54% of demand.
- What do buyers complain about in newtons cradle?
- Top complaints mined from reviews: Quality-Overall, Value For Money, Material Quality. The return rate is 2.4%.
- When does demand for newtons cradle peak?
- Demand peaks in Nov–Dec; the busiest month runs 5.6× the quietest.
- What does it cost to enter the newtons cradle niche?
- Listings span £5.05–£39.18; the average listing price is £13.42 (sweet spot $15–$100). The average incumbent carries 211 reviews — the moat a new listing must climb.