science party favors
Worth a lookShows no brand lock-in (top 5 brands take 37% of clicks), but a small market ($28K/yr) keeps it on the watch list.
Brand share
Incredible37%top-5 brand share — no brand owns this niche
Returns
Great1.4%return rate — above 5% kills the launch gate
Competition
Great32%top-5 click share — an open shelf
Avg price
Great$16.79avg listing price — sweet spot $15–$100
Review moat
Good529.73avg incumbent reviews — the moat a new listing must climb
Price range
Good$4.79–$30.67cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Conversion
Okay2.6%search→purchase rate — share of searches ending in a sale
Growth
Bad-19.3%90-day search growth — must beat 0% to launch
Market size
Bad$28K$28K/yr · 66K searches
According to Flapen's Amazon United States niche tracking, science party favors is a $28K/yr Amazon United States market (66K searches/yr). The top 5 brands hold 37% of demand. Demand peaks in May. Verdict: Worth a look — 53/100.
Data updated Jul 23, 2026 · scored weekly · How we score niches
science party favors market data
- Units sold / yr
- 3K–3K
- avg 0–100/product
- Revenue / yr
- $42K–$50K
- units × avg price
- Conversion rate
- 2.6%
- Avg BSR
- #1,124
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 98%
- Out of stock
- 4.0%
- Avg brand age
- 34 months
- Avg seller age
- 177 days
Competition & brand share
Clicks spread well past the top 5 (32% combined) — an open shelf where new products get seen.Brands
43 falling
Sellers
51
Top-5 brand share
37%
Top 20: 78%
Top-5 click share
32%
Top 20: 70%
Open market
59%
- QZYCMHOO11%
- Seivhat9%
- Baaxxango6%
- Tymokcall5%
- Zhanmai5%
- Pabucle4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -19.3% search growth over the last 90 days.Peak months: May · busiest ÷ quietest = 2.0×
Top science party favors search terms
- science party favors42K/yr
- stem party favors14K/yr
- science themed party favors6K/yr
- science goodie bags4K/yr
Top science party favors 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
QZYCMHOO 111PCS Science Party Favors Set Lab Birthday Decorations Including Slap Bracelets Keychains Gift Bags DIY Stickers Drinking Straws Science Birthday Supplies
QZYCMHOO$19.924.5★175 rev
24 PCS Plastic Test Tubes 45 ml Clear Test Tube with Caps 140 x 25 mm Test Tube for Candy Storage Party Decoration Beads Display Lab
Baaxxango$11.934.7★548 rev
16Pcs Science Kit Crystal Growing Party Favor Supply Gifts for Kids Classroom Goodiebags Christmas Valentines Day Gifts (16Pcs One Size)
Tymokcall$18.914.2★63 rev
Zhanmai 140 Pcs Science Party Favors Include 12 Keychain 18 Mini Notebooks 50 Science Stickers 12 Bracelets 12 Science Name Badge 12 Drawstring Bags 12 Bendable Pencils 12 Button Pins for Kids Party
Zhanmai$30.674.4★50 rev
7 Set Bulk STEM Science Kits STEM Toys for Kids Crafts Classroom
BeAndge$15.524.3★177 rev
Newest
by launch date
Seivhat 24Pcs Volcano Eruption Science Kit STEM Science Experiments Bulk Party Favors Classroom Prizes Goodie Bag Stuffers Gifts Exchange for Boys and Girl
Seivhat$22.4520 rev
30Pcs Volcano Eruption Science Kit STEM Science Experiments Bulk Party Favors Classroom Prizes Goodie Bag Stuffers Gifts Exchange for Boys and Girl (30Pcs One Size)
Seivhat$27.1720 rev
16 Pack Crystal Growing Kit Science Party Favors for Kids STEM Science Experiment Bulk Classroom Prizes Goodie Bag Stuffers Birthday Return Gifts for 4-6 8-12 Boys and Girls (16Pcs One Size)
Seivhat$18.0321 rev
Ppotyo 24 Pack Growing Crystal Trees Kit With Greeting Cards for Kids STEM Science Experiment Craft Party Favors School Classroom Gifts Exchange Goodie bags for Boys and Girls
Ppotyo$24.9146 rev
Ppotyo 24 Packs Gift Bouncy Ball Kit with Cards for Kids Magic Bouncing Ball STEM Science Experiment Craft Party Favors School Classroom Gifts Exchange for Boys and Girls
Ppotyo$20.6933 rev
Trending
90-day click momentum30Pcs Volcano Eruption Science Kit STEM Science Experiments Bulk Party Favors Classroom Prizes Goodie Bag Stuffers Gifts Exchange for Boys and Girl (30Pcs One Size)
Seivhat$27.174.2★
Seivhat 24Pcs Volcano Eruption Science Kit STEM Science Experiments Bulk Party Favors Classroom Prizes Goodie Bag Stuffers Gifts Exchange for Boys and Girl
Seivhat$22.454.2★
16 Pack Crystal Growing Kit Science Party Favors for Kids STEM Science Experiment Bulk Classroom Prizes Goodie Bag Stuffers Birthday Return Gifts for 4-6 8-12 Boys and Girls (16Pcs One Size)
Seivhat$18.033.8★
24 Sheets Science Stickers Make-a-face Sticker for Kids Make Your Own Science Stickers Laboratory Sticker Decals Chemistry Biology Physics Classroom Decor for School Teacher
OTAITY$5.794.8★
Ppotyo 24 Pack Growing Crystal Trees Kit With Greeting Cards for Kids STEM Science Experiment Craft Party Favors School Classroom Gifts Exchange Goodie bags for Boys and Girls
Ppotyo$24.914.0★
What buyers say about science party favors
What buyers praise and complain about, mined from review topics.What buyers love
“Fun for Kids”
“Great gift”
“Good quality”
“Great Price”
“The colors are vibrant”
“Fun and educational”
“Easy to use”
“the durability of them is great”
“Exactly what I wanted”
“If not for the explosions the review would be great scents”
What buyers complain about
“Doesn't work well”
“Garbage”
“They are expensive for what they do”
“Most of the batteries were corroded”
“The crystals aren't as big as the ai photos obviously”
“are now permanently stained”
“Instructions Are Awful”
“Battery sucks”
“Misleading picture”
“the crystals are fragile”
Top return reasons
Common questions
- Is science party favors profitable to sell on Amazon United States?
- The niche generates $28K/yr across 51 tracked products. 10 of 17 products launched in the last 360 days are still selling. 90-day search growth is -19.3%. Flapen's verdict: Worth a look (53/100).
- How competitive is the science party favors niche?
- 43 brands and 51 sellers compete. The top 5 products take 32% of clicks and top 5 brands hold 37% of demand.
- What do buyers complain about in science party favors?
- Top complaints mined from reviews: Functionality-Overall, Quality-Overall, Value For Money. The return rate is 1.4%.
- When does demand for science party favors peak?
- Demand peaks in May; the busiest month runs 2.0× the quietest.
- What does it cost to enter the science party favors niche?
- Listings span $4.79–$30.67; the average listing price is $16.79 (sweet spot $15–$100). The average incumbent carries 530 reviews — the moat a new listing must climb.