Stem Bins
FailThe top 5 brands take 100% of clicks, so Stem Bins is a Fail.
- Flapen Score
- 43 / 100Ranks 1,838 of 3,143 Toys & Games niches · −3 vs the category median of 4643
- Market size
- $302K/yr230K searches / yr
- 90-day growth
- +30.3%search demand this quarter
- Competition
- 95%top-5 click share · 3 brands · 7 sellers
Flapen Score
Stem Bins against its category
The dotted line is the Toys & Games average. Past it, Stem Bins is stronger. Inside it, weaker.
Market
The Stem Bins market on Amazon at a glance
Shoppers on Amazon United States searched for Stem Bins 230K times last year and spent an estimated $302K. All 3 brands take every click. Demand peaks in Jul–Nov–Dec. Flapen scores it 43 out of 100, a Fail.
01 · Demand
An estimated 5.1% of those searches ended in a purchase.
Shoppers searched for this 230K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 5.1% of those searches ended in a purchase. Searches in the last 90 days moved +30.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $302K a year.
- Searches, last 12 months
- 230K
- Growth, 90 days vs prior 90
- +30.3%
- Conversion, latest week
- 5.1%
- Market size, estimated
- $302Ka year
- Peak month
- December2.5× the quietest month
- Top search term
- brain flakes113K searches a year
02 · Price
A sale here is worth $25.81.
Listings sell for $25.81 on average, from $9.70 to $69.87. Amazon reports units sold in ranges. This niche sold 15K to 20K a year. The average listing sells 2,000 to 2,500 of them. At $25.81 that is $52K to $65K a year per listing.
- Average price
- $25.81inside the $15 to $100 sweet spot
- Price range
- $9.70–$69.87
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 15K–20K
- Units per listing a year
- 2,000–2,500
- Revenue per listing a year
- $52K–$65K
- Returns
- 1.3%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
83% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 1.0% of listings are out of stock. The average listing ranks #821 within Gear Sets. It carries 5,415 reviews at 4.80 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 83%
- Prime listings
- 100%
- Out of stock, average day
- 1.0%
- Average rank
- #821in Gear Sets
- Average rating
- 4.80 starsAmazon United States average 4.42 stars
- Average reviews
- 5,415per listing
- Listings tracked
- 6
04 · Newcomers
Brands here are settling in.
The brands on the shelf have sold for 46 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
- 46 months
Products
Top Stem Bins 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
Brain Flakes 500 Piece Set Ages 3+ Interlocking Plastic Disc Toy for Creative Building Educational STEM Learning Construction Block Play for Kids Teens Adults Boys and Girls
- Price
- $19.85
- Rating
- 4.8/5
- Reviews
- 14,449
- Age
- 11y ago

Brain Flakes 2500 Piece Build n Build Kit - A Creative and Educational Alternative to Building Blocks - Wheel Pieces and Special Parts Included - A Great Stem Toy for Both Boys and Girls
- Price
- $69.87
- Rating
- 4.8/5
- Reviews
- 369
- Age
- 6y ago

Coodoo Magnetic Tiles Kids Toys STEM Magnet Toy for Toddler Magnetic Blocks Building Preschool Learning Sensory Montessori Toys for 3+ Year Old Boys and Girls Safe Creativity Toddler Kids Toy 40PCS
- Price
- $19.73
- Rating
- 4.9/5
- Reviews
- 12,465
- Age
- 3y ago

PicassoTiles 300 Piece Interlocking Disc Building Chips STEM Toy for Kids
- Price
- $14.51
- Rating
- 4.7/5
- Reviews
- 280
- Age
- 2y ago

Brain Flakes Starter Set Multicolor (12 Colors) - 120 Pieces - Resealable Pouch
- Price
- $9.70
- Rating
- 4.8/5
- Reviews
- 52
- Age
- 1y ago
Trending
estimated 90-day click momentum
PicassoTiles 300 Piece Interlocking Disc Building Chips STEM Toy for Kids
- Price
- $14.51
- Rating
- 4.7/5
- Reviews
- 280
- Age
- 2y ago

Coodoo Magnetic Tiles Kids Toys STEM Magnet Toy for Toddler Magnetic Blocks Building Preschool Learning Sensory Montessori Toys for 3+ Year Old Boys and Girls Safe Creativity Toddler Kids Toy 40PCS
- Price
- $19.73
- Rating
- 4.9/5
- Reviews
- 12,465
- Age
- 3y ago

Brain Flakes Starter Set Multicolor (12 Colors) - 120 Pieces - Resealable Pouch
- Price
- $9.70
- Rating
- 4.8/5
- Reviews
- 52
- Age
- 1y ago

Brain Flakes 2500 Piece Build n Build Kit - A Creative and Educational Alternative to Building Blocks - Wheel Pieces and Special Parts Included - A Great Stem Toy for Both Boys and Girls
- Price
- $69.87
- Rating
- 4.8/5
- Reviews
- 369
- Age
- 6y ago

Brain Flakes 500 Piece Set Ages 3+ Interlocking Plastic Disc Toy for Creative Building Educational STEM Learning Construction Block Play for Kids Teens Adults Boys and Girls
- Price
- $19.85
- Rating
- 4.8/5
- Reviews
- 14,449
- Age
- 11y ago
Newest
by launch date
Brain Flakes Starter Set Multicolor (12 Colors) - 120 Pieces - Resealable Pouch
- Price
- $9.70
- Rating
- 4.8/5
- Reviews
- 52
- Age
- 1y ago

PicassoTiles 300 Piece Interlocking Disc Building Chips STEM Toy for Kids
- Price
- $14.51
- Rating
- 4.7/5
- Reviews
- 280
- Age
- 2y ago

Coodoo 60 PCS Magnetic Building Tiles Kids Toys STEM Magnetic Blocks Sensory Toys Kids Games Magnet Building Toy for Boys and Girls Aged 3+ Kid Brain Development Preschool Kindergarten Toddler Toy
- Price
- $21.19
- Rating
- 4.8/5
- Reviews
- 4,872
- Age
- 3y ago

Coodoo Magnetic Tiles Kids Toys STEM Magnet Toy for Toddler Magnetic Blocks Building Preschool Learning Sensory Montessori Toys for 3+ Year Old Boys and Girls Safe Creativity Toddler Kids Toy 40PCS
- Price
- $19.73
- Rating
- 4.9/5
- Reviews
- 12,465
- Age
- 3y ago

Brain Flakes 2500 Piece Build n Build Kit - A Creative and Educational Alternative to Building Blocks - Wheel Pieces and Special Parts Included - A Great Stem Toy for Both Boys and Girls
- Price
- $69.87
- Rating
- 4.8/5
- Reviews
- 369
- Age
- 6y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 95% of clicks. A locked shelf that new listings rarely crack.
Brands
3 falling
Sellers
7
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
95%
Top 20: 100%
Open market
0%
- Brain Flakes83%
- Coodoo11%
- PicassoTiles6%
- Open — no brand owns it (0%)
Demand
Stem Bins search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jul, Nov, Dec · busiest ÷ quietest = 2.5×
Search terms
Top Stem Bins search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- brain flakes113K/yr
- indoor recess23K/yr
- coodoo magnetic tiles39K/yr
- indoor recess toys for classroom14K/yr
- indoor recess toys14K/yr
- brain flakes 500 piece set11K/yr
- brainflakes5K/yr
- brain flakes for kids ages 4-84K/yr
- coodoo7K/yr
Reviews and returns
What reviews say buyers love and hate about Stem Bins
We read the reviews and the return reasons for every product selling here.
“The magnets could be stronger”
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.
16 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 Stem Bins 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








