- Flapen Score
- 40 / 100Ranks 1,079 of 1,773 Toys & Games niches · −4 vs the category median of 4440
- Market size
- £166K/yr304K searches / yr
- 90-day growth
- -16.9%search demand this quarter
- Competition
- 81%top-5 click share · 5 brands · 35 sellers
Flapen Score
Sea Monkeys against its category
The dotted line is the Toys & Games average. Past it, Sea Monkeys is stronger. Inside it, weaker.
Market
The Sea Monkeys market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Sea Monkeys 304K times last year and spent an estimated £166K. All 5 brands take every click. Demand peaks in Nov–Dec. Flapen scores it 40 out of 100, a Fail.
01 · Demand
An estimated 5.5% of those searches ended in a purchase.
Shoppers searched for this 304K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 5.5% of those searches ended in a purchase. Searches in the last 90 days moved -16.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated £166K a year.
- Searches, last 12 months
- 304K
- Growth, 90 days vs prior 90
- -16.9%
- Conversion, latest week
- 5.5%
- Market size, estimated
- £166Ka year
- Peak month
- December3.1× the quietest month
- Top search term
- sea monkeys227K searches a year
02 · Price
A sale here is worth £9.98.
Listings sell for £9.98 on average, from £5.69 to £18.46. Amazon reports units sold in ranges. This niche sold 20K to 25K a year. The average listing sells 2,000 to 2,500 of them. At £9.98 that is £20K to £25K a year per listing.
- Average price
- £9.98under the $15 to $100 sweet spot
- Price range
- £5.69–£18.46
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 20K–25K
- Units per listing a year
- 2,000–2,500
- Revenue per listing a year
- £20K–£25K
- Returns
- 0.5%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is reviews.
40% of listings pay for placement with sponsored ads. 90% ship with Prime. On an average day, 12.8% of listings are out of stock. The average listing ranks #140 within Learning & Education. It carries 4,909 reviews at 3.84 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 40%
- Prime listings
- 90%
- Out of stock, average day
- 12.8%
- Average rank
- #140in Learning & Education
- Average rating
- 3.84 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 4,909per listing
- Listings tracked
- 10
04 · Newcomers
Brands here are settling in.
The brands on the shelf have sold for 41 months on average, so the names here are settling in.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 41 months
Products
Top Sea Monkeys products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 30, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
The Original Sea Monkeys - Ocean Zoo - Grow Your Own Pets Science Kit- Includes Eggs Food and Water Purifier Color May Vary
- Price
- £7.39
- Rating
- 3.7/5
- Reviews
- 12,482
- Age
- 16y ago

Aqua Dragons Underwater World
- Price
- £10.19
- Rating
- 4.2/5
- Reviews
- 4,613
- Age
- 13y ago

Sea Monkeys Kit Mystery Egg Refill | Contains Water Purifier Food And Feeding Spoon | Amazing Science Experiments For Kids Grow Your Own Pets (Assorted)
- Price
- £5.69
- Rating
- 3.7/5
- Reviews
- 12,482
- Age
- 3y ago

Aqua Dragons Hatch N Grow
- Price
- £8.87
- Rating
- 4.1/5
- Reviews
- 152
- Age
- 1y ago

Sea Monkeys Ocean Volcano Aquarium - Eggs Food Water Purifier
- Price
- £10.76
- Rating
- 3.7/5
- Reviews
- 12,482
- Age
- 7y ago
Trending
estimated 90-day click momentum
Lnhgh Transparent Fish Tank Aquarium for Sea Monkeys Shrimp and Snails - Betta Fish
- Price
- £8.15
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 2y ago

Bizak Sea Monkeys Ocean Zoo Treasure Chest with Light 63072322
- Price
- £13.66
- Rating
- 3.1/5
- Reviews
- 99
- Age
- 3y ago

Aqua Dragons Hatch N Grow
- Price
- £8.87
- Rating
- 4.1/5
- Reviews
- 152
- Age
- 1y ago

Sea Monkeys Kit Mystery Egg Refill | Contains Water Purifier Food And Feeding Spoon | Amazing Science Experiments For Kids Grow Your Own Pets (Assorted)
- Price
- £5.69
- Rating
- 3.7/5
- Reviews
- 12,482
- Age
- 3y ago

Aqua Dragons Underwater World
- Price
- £10.19
- Rating
- 4.2/5
- Reviews
- 4,613
- Age
- 13y ago
Newest
by launch date
Aqua Dragons Hatch N Grow
- Price
- £8.87
- Rating
- 4.1/5
- Reviews
- 152
- Age
- 1y ago

Science4you Jurassic Sea Creatures for Kids 6+ Years - Create an Ecosystem for Water Dragons Aquatic Living Animals with a Fish Tank for Kids Toy for Children 5 6 7 8+ Years
- Price
- £10.28
- Rating
- 3.8/5
- Reviews
- 149
- Age
- 1y ago

Lnhgh Transparent Fish Tank Aquarium for Sea Monkeys Shrimp and Snails - Betta Fish
- Price
- £8.15
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 2y ago

Bizak Sea Monkeys Ocean Zoo Treasure Chest with Light 63072322
- Price
- £13.66
- Rating
- 3.1/5
- Reviews
- 99
- Age
- 3y ago

Sea Monkeys Kit Mystery Egg Refill | Contains Water Purifier Food And Feeding Spoon | Amazing Science Experiments For Kids Grow Your Own Pets (Assorted)
- Price
- £5.69
- Rating
- 3.7/5
- Reviews
- 12,482
- Age
- 3y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 81% of clicks. A locked shelf that new listings rarely crack.
Brands
5 rising
Sellers
35
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
81%
Top 20: 100%
Open market
0%
- Sea-Monkeys54%
- Aqua Dragons35%
- Science4you4%
- Bizak3%
- Lnhgh3%
Demand
Sea Monkeys search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Nov, Dec · busiest ÷ quietest = 3.1×
Search terms
Top Sea Monkeys search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- sea monkeys227K/yr
- sea monkeys kit50K/yr
- sea monkey16K/yr
- sea monkey tank10K/yr
Reviews and returns
What reviews say buyers love and hate about Sea Monkeys
We read the reviews and the return reasons for every product selling here.
“Doesn't do what it says it will do”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
18 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Sea Monkeys questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









