---
title: "Science Party Favors — $28K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/science-party-favors"
last_updated: "2026-08-10T11:07:53.041Z"
locale: en
meta:
  description: "Niche score 53/100 · $28K/yr market · 66K searches/yr · $16.79 avg price. A small market ($28K/yr) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 53/100 · $28K/yr market · 66K searches/yr · $16.79 avg price. A small market ($28K/yr) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Science Party Favors — $28K/yr Amazon US Niche (2026) - Flapen"
---

# **science party favors**

**Worth a look**

Shows no brand lock-in (top 5 brands take 37% of clicks), but a small market ($28K/yr) keeps it on the watch list.

Market size 7Growth 15Conversion 32Competition 83Returns 88Price range 61Avg price 79Brand share 95Review moat 74Quality gap 47

**Brand share**

**Incredible****37%**

top-5 brand share — no brand owns this niche

**Returns**

**Great****1.4%**

return rate — above 5% kills the launch gate

**Competition**

**Great****32%**

top-5 click share — an open shelf

**Avg price**

**Great****$16.79**

avg listing price — sweet spot $15–$100

**Review moat**

**Good****529.73**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Good****$4.79–$30.67**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Conversion**

**Okay****2.6%**

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

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")

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 ~~](https://flapen.com/research/methodology)

## **science party favors market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**3K–3K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$42K–$50K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**2.6%**</dd>

<dt>**Avg BSR**</dt><dd>**#1,124**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**98%**</dd>

<dt>**Out of stock**</dt><dd>**4.0%**</dd>

<dt>**Avg brand age**</dt><dd>**34 months**</dd>

<dt>**Avg seller age**</dt><dd>**177 days**</dd>

</dl>

## **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.

2K1KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: May · busiest ÷ quietest = 2.0×

[**Open Trend **](https://flapen.com/research/us/home-kitchen/science-party-favors/trend)

## **Top science party favors search terms**

- **science party favors**42K/yr-16.7%2.7% conv. - **stem party favors**14K/yr-25.6%1.1% conv. - **science themed party favors**6K/yr-24.3%4.4% conv. - **science goodie bags**4K/yr-14.9%2.7% conv. [**All search terms **](https://flapen.com/research/us/home-kitchen/science-party-favors/search-terms)

## **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.

0%3%$8546%$2K9%$3K12%$3K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![QZYCMHOO 111PCS Science Party Favors Set Lab Birthday Decorations Including Slap Bracelets Keychains Gift Bags DIY Stickers Drinking Straws Science Birthday Supplies](https://m.media-amazon.com/images/I/61GupnM49sL.jpg)**QZYCMHOO 111PCS Science Party Favors Set Lab Birthday Decorations Including Slap Bracelets Keychains Gift Bags DIY Stickers Drinking Straws Science Birthday Supplies**QZYCMHOO**$19.92**4.5★175 rev](https://www.amazon.com/dp/B0F8ND8SGW) [2![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](https://m.media-amazon.com/images/I/51KtxWvOLTL.jpg)**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**$11.93**4.7★548 rev](https://www.amazon.com/dp/B08BHKT399) [3![16Pcs Science Kit Crystal Growing Party Favor Supply Gifts for Kids Classroom Goodiebags Christmas Valentines Day Gifts (16Pcs One Size)](https://m.media-amazon.com/images/I/51pAaXdNdIL.jpg)**16Pcs Science Kit Crystal Growing Party Favor Supply Gifts for Kids Classroom Goodiebags Christmas Valentines Day Gifts (16Pcs One Size)**Tymokcall**$18.91**4.2★63 rev](https://www.amazon.com/dp/B0FTS3J6PX) [4![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](https://m.media-amazon.com/images/I/61+Uy5Kx2wL.jpg)**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**$30.67**4.4★50 rev](https://www.amazon.com/dp/B0CB66WFYB) [5![7 Set Bulk STEM Science Kits STEM Toys for Kids Crafts Classroom](https://m.media-amazon.com/images/I/51Nfh+FeRsL.jpg)**7 Set Bulk STEM Science Kits STEM Toys for Kids Crafts Classroom**BeAndge**$15.52**4.3★177 rev](https://www.amazon.com/dp/B0D89TR5JZ)

**~~View all top sellers →~~**

### **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](https://m.media-amazon.com/images/I/510ca+l2F9L.jpg)**Seivhat 24Pcs Volcano Eruption Science Kit STEM Science Experiments Bulk Party Favors Classroom Prizes Goodie Bag Stuffers Gifts Exchange for Boys and Girl**Seivhat**$22.45**20 rev3mo ago](https://www.amazon.com/dp/B0GWCN8BFM) [![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)](https://m.media-amazon.com/images/I/510yQe5ezDL.jpg)**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**$27.17**20 rev3mo ago](https://www.amazon.com/dp/B0GWD61G92) [![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)](https://m.media-amazon.com/images/I/51jhH9sa2fL.jpg)**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**$18.03**21 rev3mo ago](https://www.amazon.com/dp/B0GWD6MKHP) [![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](https://m.media-amazon.com/images/I/51qa2CftQ4L.jpg)**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**$24.91**46 rev7mo ago](https://www.amazon.com/dp/B0G4J8WQNH) [![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](https://m.media-amazon.com/images/I/512yr7gSWNL.jpg)**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**$20.69**33 rev7mo ago](https://www.amazon.com/dp/B0G4J6STBR)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![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)](https://m.media-amazon.com/images/I/510yQe5ezDL.jpg)**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**$27.17**4.2★**▲ 274%**](https://www.amazon.com/dp/B0GWD61G92) [![Seivhat 24Pcs Volcano Eruption Science Kit STEM Science Experiments Bulk Party Favors Classroom Prizes Goodie Bag Stuffers Gifts Exchange for Boys and Girl](https://m.media-amazon.com/images/I/510ca+l2F9L.jpg)**Seivhat 24Pcs Volcano Eruption Science Kit STEM Science Experiments Bulk Party Favors Classroom Prizes Goodie Bag Stuffers Gifts Exchange for Boys and Girl**Seivhat**$22.45**4.2★**▲ 271%**](https://www.amazon.com/dp/B0GWCN8BFM) [![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)](https://m.media-amazon.com/images/I/51jhH9sa2fL.jpg)**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**$18.03**3.8★**▲ 269%**](https://www.amazon.com/dp/B0GWD6MKHP) [![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](https://m.media-amazon.com/images/I/61xvZ2xE8aL.jpg)**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**$5.79**4.8★**▲ 127%**](https://www.amazon.com/dp/B0FKGP6BNL) [![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](https://m.media-amazon.com/images/I/51qa2CftQ4L.jpg)**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**$24.91**4.0★**▲ 123%**](https://www.amazon.com/dp/B0G4J8WQNH)

**~~View all trending →~~**

## **What buyers say about science party favors**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Fun/Entertainment Experience**17%

*“Fun for Kids”*

**Gifting Purpose**14%

*“Great gift”*

**Quality-Overall**12%

*“Good quality”*

**Value For Money**7%

*“Great Price”*

**Color**6%

*“The colors are vibrant”*

**Educational-Overall**5%

*“Fun and educational”*

**Ease Of Use**5%

*“Easy to use”*

**Durability**5%

*“the durability of them is great”*

**Advertised Vs Actual Product**4%

*“Exactly what I wanted”*

**Smell**3%

*“If not for the explosions the review would be great scents”*

### **What buyers complain about **

**Functionality-Overall**10%

*“Doesn't work well”*

**Quality-Overall**6%

*“Garbage”*

**Value For Money**6%

*“They are expensive for what they do”*

**Rusts/Corrodes**5%

*“Most of the batteries were corroded”*

**Size-Overall**5%

*“The crystals aren't as big as the ai photos obviously”*

**Stain Resistance**5%

*“are now permanently stained”*

**Instructions/User Manual/Troubleshooting**5%

*“Instructions Are Awful”*

**Battery Life**4%

*“Battery sucks”*

**Advertised Vs Actual Product**4%

*“Misleading picture”*

**Strength**3%

*“the crystals are fragile”*

### **Top return reasons **

**Size-Overall**28%

**Advertised Vs Actual Product**12%

**Functionality-Overall**9%

**Value For Money**9%

**Quality-Overall**6%

**Defective Material/Parts**5%

**Stain Resistance**2%

**Instructions/User Manual/Troubleshooting**2%

**Assembly/Installation**2%

**Material Quality**2%

## **Common questions**

<dl>

<dt>**Is science party favors profitable to sell on Amazon United States?**</dt><dd>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).</dd>

<dt>**How competitive is the science party favors niche?**</dt><dd>43 brands and 51 sellers compete. The top 5 products take 32% of clicks and top 5 brands hold 37% of demand.</dd>

<dt>**What do buyers complain about in science party favors?**</dt><dd>Top complaints mined from reviews: Functionality-Overall, Quality-Overall, Value For Money. The return rate is 1.4%.</dd>

<dt>**When does demand for science party favors peak?**</dt><dd>Demand peaks in May; the busiest month runs 2.0× the quietest.</dd>

<dt>**What does it cost to enter the science party favors niche?**</dt><dd>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.</dd>

</dl>

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