silly string
Worth a lookShows beatable incumbent ratings (3.6★), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Quality gap
Incredible3.6★avg incumbent rating — lower means beatable quality
Review moat
Incredible42.69avg incumbent reviews — the moat a new listing must climb
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Growth
Incredible+128.3%90-day search growth — must beat 0% to launch
Conversion
Good6.8%search→purchase rate — share of searches ending in a sale
Brand share
Good75%top-5 brand share — brands hold most of the demand
Competition
Bad70%top-5 click share — a locked-up shelf
Avg price
Bad£8.38avg listing price — sweet spot $15–$100
Market size
Bad£55K£55K/yr · 97K searches
Price range
Bad£3.36–£15.98cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, silly string is a £55K/yr Amazon United Kingdom market (97K searches/yr). The top 5 brands hold 75% of demand. Demand peaks in Jul–Nov–Dec. Verdict: Worth a look — 58/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
silly string market data
- Units sold / yr
- 5K–6K
- avg 250–500/product
- Revenue / yr
- £42K–£50K
- units × avg price
- Conversion rate
- 6.8%
- Avg BSR
- #348
- Page quality
- 0%
- Prime
- 19%
- Sponsored
- 50%
- Out of stock
- 9.5%
- Avg brand age
- 32 months
- Avg seller age
- 192 days
Competition & brand share
The top 5 products capture 70% of clicks — a locked-up shelf that new listings rarely crack.Brands
13 falling
Sellers
22
Top-5 brand share
75%
Top 20: 100%
Top-5 click share
70%
Top 20: 100%
Open market
19%
- SuperGift.com21%
- raxter19%
- AbbeyShake15%
- N/AA11%
- DUAYRA8%
- SKYTE6%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +128.3% search growth over the last 90 days.Peak months: Jul, Nov, Dec · busiest ÷ quietest = 4.3×
Top silly string search terms
- silly string77K/yr
- silly string spray for kids11K/yr
- silly string spray9K/yr
Top silly string 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 16 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Party Crazy String Spray 280ml Multicolour Streamer Cans for Birthday Wedding Stag and Hen Parties (10)
raxter£11.583.8★4 rev
Special Occasions Silly String Party Spray Cans Multi-Color Entertainment Streamer (Multi Colour 5pk)
SuperGift.com£9.953.8★17 rev
AbbeyShake Silly String Party 200ml Spray for Birthday Wedding Celebration Crazy Streamer - Pack of 6 cans
AbbeyShake£10.793.8★111 rev
N/AA Silly String Party Spray Birthday Wedding Celebration Crazy Streamer 200ml Can
N/AA£3.363.5★62 rev
DUAYRA Silly String Party Spray 200ml | Safe & Non Toxic Formula | For Occasions Birthday Parties Celebration Multicolor Cans | Colorful Decorations Crazy Strings Sprays | With Strong Nozzle | (1)
DUAYRA£9.013.6★3 rev
Newest
by launch dateParty Crazy String Spray 280ml Multicolour Streamer Cans for Birthday Wedding Stag and Hen Parties (10)
raxter£11.584 rev
Special Occasions Silly String Party Spray Cans Multi-Color Entertainment Streamer (Multi Colour 5pk)
SuperGift.com£9.9517 rev
Special Occasions Silly String Party Spray Cans Multi-Color Entertainment Streamer (Green)
SuperGift.com£4.1517 rev
Special Occasions Silly String Party Spray Cans Multi-Color Entertainment Streamer (Blue)
SuperGift.com£4.1617 rev
Silly String Spray Party Streamers Mixed Colours Fun Spray Cans for Kids Birthday Weddings Festivals Christmas Celebrations & Pranks - Pack of 6
BURAKH£9.1110 rev
Trending
90-day click momentumParty Crazy String Spray 280ml Multicolour Streamer Cans for Birthday Wedding Stag and Hen Parties (10)
raxter£11.583.8★
PEBBLE HUG Silly Sting Spray Assorted Colour Crazy Strings Can for Birthday Wedding Stag Hen Party Colour Streamer Spray Special Occasions for Wedding Party 2X
PEBBLE HUG£8.323.4★
10 Pack Hand Throw Streamers Rainbow Hand Throw Crepe Paper Streamers Each Colorful Streamers Poppers Has 30 Streamer Ribbons Hand-Throw Rainbow Streamer No Mess Confetti for Birthday Carnival Wedding
Aisszhao£6.493.2★
Special Occasions Silly String Party Spray Cans Multi-Color Entertainment Streamer (Multi Colour 5pk)
SuperGift.com£9.953.8★
Silly String 200ml - Crazy Spray for Endless Fun at Parties Special Occasions Weddings & Other Celebrations - Vibrant Colors - Pack of 6
ZOPPER£11.614.0★
What buyers say about silly string
What buyers praise and complain about, mined from review topics.What buyers love
“its good for its price”
“The cans worked exactly as expected”
“produced plenty of string with no issues”
“Great fun”
“Sweeps up, quick and easy”
“Fun, no mess”
“Sweeps up, quick and easy”
What buyers complain about
“Really poor product”
“Came with no instructions”
“Very bad because no spray good”
“Doesn't last more than 30 seconds”
“Some cans didnt even work very poor”
“Waste of money”
Top return reasons
Common questions
- Is silly string profitable to sell on Amazon United Kingdom?
- The niche generates £55K/yr across 16 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is +128.3%. Flapen's verdict: Worth a look (58/100).
- How competitive is the silly string niche?
- 13 brands and 22 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 75% of demand.
- What do buyers complain about in silly string?
- Top complaints mined from reviews: Quality-Overall, Instructions/User Manual/Troubleshooting, Spray/Flow. The return rate is 0.4%.
- When does demand for silly string peak?
- Demand peaks in Jul–Nov–Dec; the busiest month runs 4.3× the quietest.
- What does it cost to enter the silly string niche?
- Listings span £3.36–£15.98; the average listing price is £8.38 (sweet spot $15–$100). The average incumbent carries 43 reviews — the moat a new listing must climb.