KDP categories · Top KDP authors
Experiments & Projects (Science, Nature & How It Works, Books): Amazon KDP category data
Amazon Books Best Sellers data for Experiments & Projects (Science, Nature & How It Works, Books), updated Nov 2, 2026: median price $10.89, median 239 reviews, average rating 4.7 and a KDPTop opportunity score of 28/100 (highly competitive).
| Price range (middle 50%) | $8.36 – $13.97 |
|---|---|
| Average rating | 4.7 |
| New releases (90 days) | 10% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 9% of the parent category Science, Nature & How It Works (2,587), one of the easier corners under it.
- At $10.89 its median price is below 87% of Books categories, so it is a volume game.
Top 10 Experiments & Projects best sellers
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100,000 Whys for Smart Kids: The Visual Encyclopedia for Smart & Curious Kids - Big Questions, Weird Facts, Clear Explanations, 500 Brain Challenges, ... to Build Curiosity (Kids Ages 6 - 12)
- List rank#1
- Price$22.97
- Rating4.5
- Reviews240
-
Extreme Engineering: Behind the Scenes with YouTube's Most Epic Engineer (CrunchLabs by Mark Rober)
by Mark Rober
- List rank#2
- Price$12.99
- Rating5.0
- Reviews18
-
Lift-the-Flap Periodic Table: An Interactive Usborne Book About the 118 Elements for Children (Ages 7-10) (See Inside)
by Alice James
- List rank#3
- Price$8.39
- Rating4.8
- Reviews150
-
The Science Spell Book: 30 Enchanting Experiments for Kids
by Cara Florance
- List rank#4
- Price$9.34
- Rating4.8
- Reviews753
-
100 Paper Planes to Fold and Fly: Expertly Designed Paper Planes For Endless Interactive Flying Fun!
by Sam Baer
- List rank#5
- Price$7.20
- Rating4.7
- Reviews489
-
My First Paper Airplane Book: Fun Designs and Easy Tear-Out Pages for Kids!
by Jessica Allen
- List rank#6
- Price$14.99
- Rating4.7
- Reviews316
-
Cardboard Box Engineering: Cool, Inventive Projects for Tinkerers, Makers & Future Scientists
by Jonathan Adolph
- List rank#7
- Price$15.49
- Rating4.7
- Reviews581
-
Animals in Winter
by Henrietta Bancroft
- List rank#8
- Price$5.40
- Rating4.8
- Reviews1,018
-
My Five Senses: An Engaging Science Picture Book About Exploring Our World Through Sight, Smell, Taste, Hearing, and Touch (Let's-Read-and-Find-Out Science 1)
by Aliki
- List rank#9
- Price$7.19
- Rating4.8
- Reviews1,290
-
See Inside How Things Work: A Usborne Flap Book Revealing Car Engines, Submarines, and Machines for Kids (Ages 6-9)
by Conrad Mason
- List rank#10
- Price$15.99
- Rating4.8
- Reviews120
Same niche in Kindle eBooks: Experiments & Projects
FAQ
Is Experiments & Projects a good niche for Amazon KDP?
Its KDPTop opportunity score is 28/100, which makes it highly competitive. The median best seller has 239 reviews and sells for $10.89.
How many reviews do you need to rank in Experiments & Projects?
The median best seller has 239 reviews, and 29% of them have fewer than 100.
What do Experiments & Projects best sellers cost?
The median price is $10.89; half of the best sellers are priced between $8.36 and $13.97.
Can new books break into Experiments & Projects?
10% of the current best sellers were released in the last 90 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.