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Description
Hello, World! Boxed Set: Solar System; Dinosaurs; Backyard Birds; BugsLearn from home and explore the world with these fun and easy board books This bestselling nonfiction board book series is available in a four book boxed set perfect for holiday gifts, birthdays, and baby showers. Here's the first step to your baby's understanding of science and nature: the four most popular board books in the hit Hello, World series Solar System, Dinosaurs, Backyard Bugs, and Birds. Hello, World is a series designed to introduce
Learn from home and explore the world with these fun and easy board booksThis bestselling nonfiction board book series is available in a four-book boxed set--perfect for holiday gifts, birthdays, and baby showers. Here's the first step to your baby's understanding of science and nature: the four most popular board books in the hit Hello, World series--Solar System, Dinosaurs, Backyard Bugs, and Birds. Hello, World is a series designed to introduce first nonfiction concepts to babies and toddlers. Told in clear and easy words and featuring bright, cheerful illustrations, Hello, World makes learning fun for young children. And each sturdy page offers helpful prompts for engaging with your child. It's a perfect way to bring science and nature into the busy world of a toddler, where learning never stops. Look for all the books in the Hello, World series:
-Solar Sytem
-Weather
-Backyard Bugs
-Birds
-Dinosaurs
-My Body
-How Do Apples Grow?
-Ocean Life
-Moon Landing
-Pets
-Arctic Animals
-Construction Site
-Rainforest Animals
-Planet Earth
-Reptiles
Binding Type: Board Books
Publisher: Doubleday Books for Young Readers
Published: 09/04/2018
ISBN: 9780525581321
Pages: 26
Weight: 3.17lbs
Size: 7.20h x 7.20w x 2.90d
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4.3 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
It works! Quality pillow.
Size: Standard (1 Count), Color: Original White (Cooling)
This does actually provide a cooling effect, and it's very comfortable! The accompanying literature is helpful too. I believe this to be a quality pillow for the price.
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Reviewed in the United States on June 2, 2026
★★★★★ 5
Most comfortable pillow I’ve ever slept on
Size: Queen (1 Count), Color: Crescent White(cooling)
This is the most comfortable pillow I have ever slept on. It doesn't mash down like other pillows. Cradles my neck perfectly plus it’s cool. I broke my neck a couple of years ago and this pillow feels very good and comfortable. Definitely recommend to everyone. Ive used it since May and it’s retained its shape.
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Reviewed in the United States on June 6, 2026
★★★★★ 4
Smell
Size: Queen (2 Count), Color: Original White (Cooling)
The fact that there are not more comments on the smell of these pillows has me worried about some of yall. Listen, I LOVE the weight, and the firmness, it’s perfect for that. However, these pillows are RANK. They have a very strong mildew-ish smell that lingers. I took the outer cover off and washed it and let the pillow air out for a few days, the smell is still very strong when you press your face against it, which one does because it is in fact designed for that purpose. It smells so bad. It’s nauseating. I can smell it through two pillowcases and blanket that I threw on top of them hoping an extra layer would trap the smell. I’ll bake them in the Texas sun tomorrow and hope that helps, because otherwise these are the perfect pillows for someone who wants to feel like they are hugging a torso but can’t stand the sound/feel of someone else breathing. I don’t know…4 stars, if the smell goes away I’ll come back.
Update: many many days later. Either they don’t really smell anymore or I got use to it. They’ve held their firmness and shape well. I like them.
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Reviewed in the United States on March 9, 2026
★★★★★ 5
Actually Cooling Pillow
Size: Queen (1 Count), Color: Original White (Cooling)
This is a really nice pillow, I was worried it would be too soft or too firm but it's just right and it's actually cooling, it feels cool every time I touch it. I've noticed an improvement in sleep since using it. Would recommend!
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Repurchased in King Size – Still Love These Cooling Pillows
Size: King (2 Count), Color: Original White (Cooling), Size: King (2 Count), Color: Original White (Cooling)
After using the queen-size version of these pillows for over a year, we purchased the king-size set when we upgraded to a king mattress. Both my husband and I really like them.
The cooling feature works well, and we like that each side feels different—when I run cold, I use the softer bamboo side, while my husband prefers the cooler side since he tends to sleep hot. They fit well in our king-size pillowcases and feel supportive in all sleeping positions, whether I’m on my stomach, side, or back.
I also appreciate that you can remove some of the filling to adjust the firmness. The covers are washable, which makes them easy to maintain. Overall, we’re very happy with this repurchase and the long-lasting comfort.
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Reviewed in the United States on April 15, 2026