stem toys
Skip itA small market ($3K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.3%return rate — above 5% kills the launch gate
Avg price
Incredible$35.04avg listing price — sweet spot $15–$100
Price range
Incredible$20.35–$53.64cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Competition
Okay61%top-5 click share — leaders hold, buyers still browse
Growth
Okay+8.3%90-day search growth — must beat 0% to launch
Brand share
Okay85%top-5 brand share — brands hold most of the demand
Review moat
Bad7,964avg incumbent reviews — the moat a new listing must climb
Conversion
Bad0.5%search→purchase rate — share of searches ending in a sale
Market size
Bad$3K$3K/yr · 19K searches
According to Flapen's Amazon Singapore niche tracking, stem toys is a $3K/yr Amazon Singapore market (19K searches/yr). The top 5 brands hold 85% of demand. Verdict: Skip it — 41/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
stem toys market data
- Units sold / yr
- 100–250
- avg 0–100/product
- Revenue / yr
- $4K–$9K
- units × avg price
- Conversion rate
- 0.5%
- Avg BSR
- #55
- Page quality
- 0%
- Prime
- 75%
- Sponsored
- 67%
- Out of stock
- 10.2%
- Avg brand age
- 65 months
- Avg seller age
- 72 days
Competition & brand share
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.Brands
8 falling
Sellers
21
Top-5 brand share
85%
Top 20: 100%
Top-5 click share
61%
Top 20: 100%
Open market
10%
- Smartivity41%
- ThinkFun16%
- Einstein Box13%
- Moose8%
- Blue Marble7%
- WESAYEE6%
- Open — no brand owns it (2 brands, 10%)
Demand
Weekly Amazon search volume, last 46 weeks — +8.3% search growth over the last 90 days.Top stem toys search terms
- stem toys4K/yr
- toys for boys 6-8 years1K/yr
- toys for boys 10-12 years old1K/yr
- 8 year old boy gift2K/yr
- 9 year old boy birthday gifts1K/yr
- birthday gift for 10 year old boys2K/yr
- boy toys1K/yr
- toys for 7 years old boys2K/yr
- gifts for boys1K/yr
- 10 year old boy gifts720/yr
Top stem toys 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 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Gravity Maze Game
ThinkFun$25.724.6★36,633 rev
Smartivity Robotic Mechanical Hand Toy for Kids 8-10-12-14 Years Old | Parents Choice Award Winner I Birthday Gifts for Smart Kids | Superhero Toy for Boys & Girls 8 9 10 11 12 13 14
Smartivity$40.194.5★3,787 rev
Einstein Box Science Experiment Kit For Kids Aged 6-8-12-14 |Gift for 6-7 Year Old Boys & Girls| Chemistry Kit Set For 6-14 Year Olds
Einstein Box$30.244.3★24,404 rev
Smartivity Pinball Machine STEM DIY Fun Toy Educational & Construction based Activity Game Kit for Kids 8 to 14 Best Gift for Boys & Girls Learn Science Engineering Project | Gifts for 8+ Boys
Smartivity$36.834.5★3,057 rev
Flipslide Game Standard
Moose$20.354.6★12,133 rev
Newest
by launch date
Smartivity DIY Rocket Launcher Kit for Kids 6 7 8 9 10 11 12 Years Old | Build Your Own Rocket and Launcher | Birthday Gift for Smart Kids | DIY Science Toy for Boys & Girls 6-12 Year
Smartivity$24.14968 rev
Hasbro Gaming - Hypershot Electronic Tabletop Hockey Game | 5 Games in 1 | Music Lights and Sounds | Ages 8 and Up | Kids Board Games| Gifts for Boys & Girls
Hasbro Gaming$29.331,188 rev
Smartivity Robotic Mechanical Hand Toy for Kids 8-10-12-14 Years Old | Parents Choice Award Winner I Birthday Gifts for Smart Kids | Superhero Toy for Boys & Girls 8 9 10 11 12 13 14
Smartivity$40.193,787 rev
Smartivity 2in1 Hydraulic Aeroplane & Dart Launcher Toy for Kids 6-8-10-12-14 Years Old | Shoots Planes/Darts Far in Air I Birthday Gifts for Boys & Girls | DIY Science Toy for Kids 6-14
Smartivity$35.865,686 rev
STEM Science Kits for Kids 5-8 8-12 Robot Building Kit Build a Car Crafts for Boys Engineering Activities Electronic Toys Electric Science Projects Experiment STEM Activity Craft for Boy Gifts
WESAYEE$33.71382 rev
Trending
90-day click momentum
Smartivity Electricity Kit for Kids 8-14 Years Old I 8+ Circuit Experiments & DIY Electric Robot with Light and Sound | Science Project Kit I Birthday Gift Boys & Girls 8-9-10-11-12-13-14 Years
Smartivity$40.054.2★
Smartivity Pinball Machine STEM DIY Fun Toy Educational & Construction based Activity Game Kit for Kids 8 to 14 Best Gift for Boys & Girls Learn Science Engineering Project | Gifts for 8+ Boys
Smartivity$36.834.5★
Smartivity DIY Rocket Launcher Kit for Kids 6 7 8 9 10 11 12 Years Old | Build Your Own Rocket and Launcher | Birthday Gift for Smart Kids | DIY Science Toy for Boys & Girls 6-12 Year
Smartivity$24.144.4★
Smartivity Robotic Mechanical Hand Toy for Kids 8-10-12-14 Years Old | Parents Choice Award Winner I Birthday Gifts for Smart Kids | Superhero Toy for Boys & Girls 8 9 10 11 12 13 14
Smartivity$40.194.5★
Smartivity 2in1 Hydraulic Aeroplane & Dart Launcher Toy for Kids 6-8-10-12-14 Years Old | Shoots Planes/Darts Far in Air I Birthday Gifts for Boys & Girls | DIY Science Toy for Kids 6-14
Smartivity$35.864.3★
What buyers say about stem toys
What buyers praise and complain about, mined from review topics.Top return reasons
Common questions
- Is stem toys profitable to sell on Amazon Singapore?
- The niche generates $3K/yr across 12 tracked products. 90-day search growth is +8.3%. Flapen's verdict: Skip it (41/100).
- How competitive is the stem toys niche?
- 8 brands and 21 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 85% of demand.
- What does it cost to enter the stem toys niche?
- Listings span $20.35–$53.64; the average listing price is $35.04 (sweet spot $15–$100). The average incumbent carries 7,964 reviews — the moat a new listing must climb.