knock box
Worth a lookShows low returns (1.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible1.0%return rate — above 5% kills the launch gate
Brand share
Great48%top-5 brand share — no brand owns this niche
Review moat
Great381.82avg incumbent reviews — the moat a new listing must climb
Conversion
Good6.7%search→purchase rate — share of searches ending in a sale
Price range
Good£6.05–£36.17cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good45%top-5 click share — leaders hold, buyers still browse
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Avg price
Good£12.96avg listing price — sweet spot $15–$100
Market size
Good£370K£370K/yr · 427K searches
Growth
Bad-22.5%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, knock box is a £370K/yr Amazon United Kingdom market (427K searches/yr). The top 5 brands hold 48% of demand. Demand peaks in Jan–Dec. Verdict: Worth a look — 62/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
knock box market data
- Units sold / yr
- 20K–25K
- avg 500–750/product
- Revenue / yr
- £259K–£324K
- units × avg price
- Conversion rate
- 6.7%
- Avg BSR
- #214
- Page quality
- 0%
- Prime
- 97%
- Sponsored
- 82%
- Out of stock
- 2.3%
- Avg brand age
- 22 months
- Avg seller age
- 198 days
Competition & brand share
The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.Brands
28 rising
Sellers
44
Top-5 brand share
48%
Top 20: 92%
Top-5 click share
45%
Top 20: 85%
Open market
47%
- JinZeYou14%
- Sage10%
- De'Longhi9%
- Ideal Swan8%
- Ailelan7%
- FOKA MAT5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -22.5% search growth over the last 90 days.Peak months: Jan, Dec · busiest ÷ quietest = 2.5×
Top knock box search terms
- coffee knock box192K/yr
- knock box94K/yr
- coffee grounds knock box28K/yr
- coffee knock box with lid24K/yr
- coffee bin17K/yr
- coffee puck bin14K/yr
- espresso knock box12K/yr
- coffee grounds bin9K/yr
- coffee bin knock box8K/yr
- coffee grind bin5K/yr
Top knock box 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Coffee Knock Box Coffee Grounds Container Espresso Grounds Bin Knock Box Barista Coffee Grind Bin Knock Out Box with Removable Metal Knock Bar & Non-Slip Base Coffee Machine Accessories
JinZeYou£9.464.5★666 rev
DeLonghi Coffee Knock Box StainlessSteel Coffee Grounds Collector with NonSlip Rubber Base Removable Bar Strong & Stable Construction Easy to Clean (DLSC084) Silver
De'Longhi£17.754.7★418 rev
Sage - the Knock Box 10 - for Easy & Mess-Free Disposal of Coffee Pucks - Stores up to 10 Espresso Pucks Brushed Stainless Steel
Sage£24.874.6★511 rev
Ideal Swan Barista Style Espresso Knock Box - 4.8 Inch Shock-Absorbent Coffee Bin with Removable Metal Knock Bar and Non-Slip Base (Black)
Ideal Swan£11.794.6★2,078 rev
Coffee Knock Box - 4.8 Inch Espresso Grounds Bin With Removable Metal Bar Shock-Absorbent Barista Accessory for Coffee Machines
Ailelan£12.424.7★1,718 rev
Newest
by launch date
Coffee Knock Box with Tamping Mat Non-Slip Espresso Grounds Bin with Shock-Absorbent Bar for Home Barista Use
FOKA MAT£8.547 rev
Mokarya Coffee Knock Box Knock Box with Lid - Stainless Steel Coffee Grounds Bin Small Espresso Knock Box with Non-Slip Base Large Capacity Waste Container Removable Knock Bar Coffee Accessories
Mokarya£14.1132 rev
Coffee Grounds Knock Box Non-Slip Base Espresso Knocks Box Bin with Removable Knock-Bar 4.9inch Large Capacity Coffee Grounds Container with Tamping Mat Coffee Accessories for Home Baristas Cafes
Zernavith£8.1323 rev
CHDEXU Coffee Knock Box Small Espresso Knock Box with Brush Coffee Grounds Knock Out Box with Removable Knock Bar Coffee Container with Non-Slip Base for Coffee Machines
CHDEXU£12.2836 rev
ISHEWUDU Coffee Knock Box with Brush Stainless Steel Coffee Grounds Bin - Small Espresso Knock Box Non-Slip Base Large Capacity Coffee Waste Container Removable Knock Bar Coffee Accessories
ISHEWUDU£13.2982 rev
Trending
90-day click momentumCoffee Knock Box with Tamping Mat Non-Slip Espresso Grounds Bin with Shock-Absorbent Bar for Home Barista Use
FOKA MAT£8.544.4★
MORAINJAY Small Coffee Knock Box Army Green Espresso Coffee Grounds Bin with Removable Knock Bar Container Knock Box with Shock-Absorbent Non-Slip Base Grind Barista Machine Accessories
MORAINJAY£7.704.2★
DeLonghi Coffee Knock Box StainlessSteel Coffee Grounds Collector with NonSlip Rubber Base Removable Bar Strong & Stable Construction Easy to Clean (DLSC084) Silver
De'Longhi£17.754.7★
Mokarya Coffee Knock Box Knock Box with Lid - Stainless Steel Coffee Grounds Bin Small Espresso Knock Box with Non-Slip Base Large Capacity Waste Container Removable Knock Bar Coffee Accessories
Mokarya£14.114.6★
Coffee Knock Box Coffee Grounds Knock Box BlackCoffee Grounds Bins Barista Espresso Coffee Machine Accessories with Removable Bar & Non-Slip Base(Black)
McBlast£6.054.5★
What buyers say about knock box
What buyers praise and complain about, mined from review topics.What buyers love
“Build quality feels solid”
“Cleaning is straightforward”
“with a sturdy construction that gives confidence it will stand up to daily use”
“Excellent value”
“Just what I needed”
“perfect size for my set up”
“makes life easier”
“Nice design”
“For the price its very durable”
“does job perfectly”
What buyers complain about
“It's a bit loose”
“not the expected quality”
“Over priced for what it is”
“Broke within a few days of use”
“Made of plastic”
“Don't trust the measurements above”
“its ok, the knock bar could do with being a bit higher apart from that its ok”
“received red”
“Hits the mark everytime”
“design not perfect”
Top return reasons
Common questions
- Is knock box profitable to sell on Amazon United Kingdom?
- The niche generates £370K/yr across 34 tracked products. 0 of 8 products launched in the last 360 days are still selling. 90-day search growth is -22.5%. Flapen's verdict: Worth a look (62/100).
- How competitive is the knock box niche?
- 28 brands and 44 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 48% of demand.
- What do buyers complain about in knock box?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Value For Money. The return rate is 1.0%.
- When does demand for knock box peak?
- Demand peaks in Jan–Dec; the busiest month runs 2.5× the quietest.
- What does it cost to enter the knock box niche?
- Listings span £6.05–£36.17; the average listing price is £12.96 (sweet spot $15–$100). The average incumbent carries 382 reviews — the moat a new listing must climb.