If you're looking for the best science books for 4 year olds to buy online, look no further than this compiled list. We've gathered together a selection of books that are sure to please, whether you're looking.

So what are you waiting for? Start browsing and find your next great read today!

Our Favorite science books for 4 year olds:

SaleBestseller No. 1

National Geographic Little Kids First Big Book of Why (National Geographic Little Kids First Big Books)

• Hardcover Book
• Shields, Amy (Author)
• English (Publication Language)
• 128 Pages - 05/10/2011 (Publication Date) - National Geographic Kids (Publisher)

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Bestseller No. 2

Human Body Preschool Activity Book: Hands-on Learning for Ages 3 to 5

• Wagner, Kristie (Author)
• English (Publication Language)
• 72 Pages - 10/05/2021 (Publication Date) - Rockridge Press (Publisher)

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SaleBestseller No. 3

Super STEAM Activity Book: Launch Learning with Fun Mazes, Dot-to-Dots, Search-the-Page Puzzles, and More!

• Watts, Mandisa (Author)
• English (Publication Language)
• 80 Pages - 06/08/2021 (Publication Date) - Rockridge Press (Publisher)

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Bestseller No. 4

I am 4! I Ride a Unicorn! I Swim with Mermaids! I Dance with Fairies!: Cute and Funny Coloring Book for 4 Years Old Girls with Easy and Magical ... (Coloring Books with Rhyming Stories)

• Wizard, Rainbow (Author)
• English (Publication Language)
• 75 Pages - 11/16/2020 (Publication Date) - Independently published (Publisher)

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Bestseller No. 5

I Spy Ocean Animals - Guessing Game for Kids Ages 3-8: A Fun I Spy Book For Kids With Ocean Animals, Toddler Puzzle Toys Ages 3-8 Yr Old, Fun Alphabet ... Book for Toddlers (I Spy Books for Kids)

• Creations Co, I Spy Books (Author)
• English (Publication Language)
• 54 Pages - 06/13/2021 (Publication Date) - Independently published (Publisher)

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Bestseller No. 6

My First Book of Planets: All About the Solar System for Kids

• Amazon Kindle Edition
• Betts PhD, Bruce (Author)
• English (Publication Language)
• 68 Pages - 06/02/2020 (Publication Date) - Rockridge Press (Publisher)

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SaleBestseller No. 7

Rosie Revere, Engineer (The Questioneers)

• Hardcover Book
• Beaty, Andrea (Author)
• English (Publication Language)
• 32 Pages - 09/03/2013 (Publication Date) - Harry N. Abrams (Publisher)

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SaleBestseller No. 8

Educational Insights GeoSafari Jr. Talking Kids Microscope, Preschool Science Toy, Featuring Bindi Irwin, Gift for Boys & Girls, STEM & Science Toy, Ages 3+

• SPARK MORE EXPLORATION! Discover the world with science & exploration toys designed just for kids to get up close with nature, peer into outer space, and get smart about science
• LOOK, LISTEN & LEARN: GeoSafari Jr. Talking Kids Microscope features up-close, quality images and the voice of Bindi Irwin, Wildlife Warrior who will expand your knowledge of animals and plants
• ONLY TALKING MICROSCOPE FOR PRESCHOOLERS: Introduce children to a real scientific toy that is easy to use and fun to learn with this educational toy for kids
• OVER 100 FACTS & QUESTIONS: Includes 60 beautiful full-color images and 2 modes of play, Fact Mode and Quiz Mode. Requires 3 AAA batteries (not included). STANDARD VERSION includes English, Spanish, French, and German audio
• STEM LEARNING: The perfect STEM TOY to encourage an interest in biology, botany, and overall curiosity. Keep the fun (and learning!) going with FREE GeoSafari activities developed by teachers at Educational Insights. Multilingual audio-4 languages included

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Bestseller No. 9

Starfall Learn To Read

• Learn to Read
• Books, Games, Songs, and Movies
• Phonics and High Frequency Words
• English (Publication Language)

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Bestseller No. 10

Skillmatics Search and Find Educational Game, Reusable Activity Mats with 2 Dry Erase Markers, Fun Learning, Gifts for Ages 3 to 6

• REUSABLE ACTIVITY MATS - Search & Find has 12 repeatable activities that help children build their vocabulary while learning! This unique activity set was designed to enhance observation and logical reasoning skills.
• INCLUDES - 6 Double-sided activity mats, 2 "Skilly Billy" dry-erase pens, 1 Duster cloth and 1 Achievement Certificate.
• LEARN THROUGH PLAY - Children learn through repetition so we designed our mats to clean easily so children can practice their new skills over and over again.
• KEY LEARNING OUTCOMES - Build your child's vocabulary at these amazing places - Park, Amusement park, Camp, Outer Space, Jungle Safari, Vegetable Market, Under the ocean, Restaurant, Medical Center, Farm and more
• FUN EDUCATIONAL GAMES - Designed by educators and play experts, each mat has age-appropriate activities that are also fun!

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Bestseller No. 11

Let’s Learn to Read 10 DVD Collection by Rock ‘N Learn (170 sight words, covers all phonics rules, vowels, consonants, blends, digraphs, practice sections to build reading fluency, 80 downloadable worksheets and more.)

• Includes all phonics rules
• Covers 170 sight words helping build speed and accuracy
• Phonics skills include vowels, consonants, blends, digraphs, diphthongs, silent consonants, rule breakers and more
• Brad Caudle, Luci Christian, Eric Leikam (Actors)
• Richard Caudle (Director)

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SaleBestseller No. 12

EcoSmart ECO 27 Tankless Water Heater, Electric, 27-kW - Quantity 1

• Endless on-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature
• Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use; Dimensions 17 x 17 x 3.75 inches 
• Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that maintains water temperature even when not being used. Save up to 50% in water heating costs according to the Department of Energy
• EcoSmart ECO 27 Sizing; Refer to the sizing map. Requires 3x40 AMP Double Pole Breaker, 27-kilowatt tankless electric water heater ideal for providing hot water for whole home applications; provides between 2.7 and 6.5 gallons-per-minute depending on the inlet water temperature; refer to the sizing guide to select the proper solution
• Warranty and Certifications; Limited Lifetime Warranty on electronics, exchanger and element; UL-499 certified; ETL Listed

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SaleBestseller No. 13

The Berenstain Bears' Big Book of Science and Nature (Dover Science For Kids)

• Used Book in Good Condition
• Stan Berenstain (Author)
• English (Publication Language)
• 192 Pages - 01/16/2013 (Publication Date) - Dover Publications (Publisher)

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Bestseller No. 14

All by Myself (Little Critter) (Look-Look)

• Young children's fiction. A story of learning how to get dressed and groomed "all by myself" for young children. Colorful illustrations throughout book.
• Mayer, Mercer (Author)
• English (Publication Language)
• 24 Pages - 03/13/2001 (Publication Date) - Random House Books for Young Readers (Publisher)

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SaleBestseller No. 15

Patrick Picklebottom and the Longest Wait

• Hardcover Book
• Jay, Mr. (Author)
• English (Publication Language)
• 32 Pages - 02/01/2022 (Publication Date) - Lyric and Stone (Publisher)

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When it comes to buying science books for 4 year olds, there are a few things you need to keep in mind in order to get the best possible deal. The first thing you need to do is set a budget for yourself. Decide how much money you are willing to spend on a book before you start shopping. This will help you narrow down your choices and make sure you don't overspend. Keep in mind that many stores offer discounts for purchasing multiple books at once. So, if you're looking to buy more than one book, it's definitely worth checking the store’s discount policy.

Another option to get the best deal on science books for 4 year olds is to wait for sales. Major retailers will often have sales on popular titles a few times per year. By waiting for a sale, you can usually get a book at a significantly lower price than the regular retail price.

Finally, it is important to think about where you will be reading the book. If you plan on reading the book primarily at home, then it does not make sense to spend a lot of money on a hardcover edition. However, if you plan on traveling with the book or taking it to the beach, then spending a bit more money on a durable edition makes sense.

Here are a few tips to help you buy the best science books for 4 year olds:

1. Look for well-reviewed science books for 4 year olds. Checking out what other readers have said about a book can give you a good idea of whether it's worth your time. You can find reviews online or in newspapers and magazines.
2. Consider the author's reputation. If you're familiar with an author's other work and liked it, there's a good chance you'll enjoy their new book.
3. Think about what you want to get out of the book. If you're looking for a light read, something funny, or a book that will make you think, you can narrow down your options by looking for books that fit those descriptions.
4. Check the price. Sometimes, you can find great deals on new science books for 4 year olds. But be careful of cheaply made books, they might not be worth your money.
5. Take a look at the return policy. Some online stores will not accept returns on certain items, so it's important to know what the policy is before buying anything.
6. Ask for recommendations. Talk to your friends, family, and fellow book lovers to see if they have any suggestions.

By doing all of these things, you can be sure that you're getting the best possible deal on science books for 4 year olds when you shop online.