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Size & Shape (Basic Concepts, Books): Amazon KDP category data
Amazon Books Best Sellers data for Size & Shape (Basic Concepts, Books), updated Nov 2, 2026: median price $7.47, median 947 reviews, average rating 4.8 and a KDPTop opportunity score of 20/100 (highly competitive).
| Price range (middle 50%) | $5.72 – $10.24 |
|---|---|
| Average rating | 4.8 |
| New releases (90 days) | 1% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Only 1% of its best sellers are under 90 days old, fewer than in 97% of Books categories: established titles hold the list.
- At $7.47 its median price is below 96% of Books categories, so it is a volume game.
- Its median reviews are 30% of the parent category Basic Concepts (3,176), one of the easier corners under it.
Top 10 Size & Shape best sellers
-
Baby Einstein - My First Library Board Book Block 12-Book Set - First Words, Letters, Counting, and More! - PI Kids
by Editors of Phoenix International Publications
- List rank#1
- Price$9.36
- Rating4.7
- Reviews12,628
-
Hello, Baby Animals: A Black-and-White Board Book for Babies That Helps Visual Development (High-Contrast Books)
by Julissa Mora
- List rank#2
- Price$5.11
- Rating4.9
- Reviews8,411
-
Preschool Big Fun Workbook: Preschool Learning Workbook with Over 250 Practice Games and Puzzles for PreK Math, Writing, Shapes and More Activities
- List rank#3
- Price$6.99
- Rating4.8
- Reviews8,388
-
Is This a Plum? A Peek-Through Picture Book
by Dan Ojari
- List rank#4
- Price$18.74
- Rating4.9
- Reviews173
-
Kindergarten Big Fun Workbook: Prep Workbook with Kindergarten Learning Activities Featuring Tracing Worksheets, Alphabet Practice, Math Activities and Puzzles
- List rank#5
- Price$6.99
- Rating4.8
- Reviews7,233
-
High Contrast Baby Book Set: 4 Board Books for Newborns
by duopress labs
- List rank#6
- Price$22.59
- Rating4.9
- Reviews595
-
Baby's Tummy Time Book Box Set: A 3-Book Box Set of High-Contrast Art for Visual Stimulation at Tummy Time (Tabitha Paige Children's Book Series)
- List rank#7
- Price$28.11
- Rating4.8
- Reviews498
-
Press Here: Board Book Edition
by Herve Tullet
- List rank#8
- Price$7.02
- Rating4.8
- Reviews15,093
-
Hello, My World: A High-Contrast Board Book for Babies, Perfect for a Shower Gift
by duopress labs
- List rank#9
- Price$4.28
- Rating4.8
- Reviews2,619
-
Indestructibles (The Original): The Wheels on the Bus: Chew Proof · Rip Proof · Nontoxic · 100% Washable (Book for Babies, Newborn Books, Safe to Chew)
by Amy Pixton
- List rank#10
- Price$4.02
- Rating4.8
- Reviews948
Same niche in Kindle eBooks: Size & Shape
FAQ
Is Size & Shape a good niche for Amazon KDP?
Its KDPTop opportunity score is 20/100, which makes it highly competitive. The median best seller has 947 reviews and sells for $7.47.
How many reviews do you need to rank in Size & Shape?
The median best seller has 947 reviews, and 12% of them have fewer than 100.
What do Size & Shape best sellers cost?
The median price is $7.47; half of the best sellers are priced between $5.72 and $10.24.
Can new books break into Size & Shape?
1% 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.