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CODE BREAKER -- YOUNG READERS EDITION

Marsoni M251S
Sale price$17.99
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CODE BREAKER -- YOUNG READERS EDITIONWhen Jennifer Doudna was a sixth grader in Hilo, Hawaii, she came home from school one afternoon and found a book on her bed. It was The Double Helix, James Watson's account of how he and Francis Crick had discovered the structure of DNA, the spiral staircase molecule that carries the genetic instruction code for all forms of life. This book guided Jennifer Doudna to focus her studies not on DNA, but on what seemed to take a backseat in biochemistry:
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4.6 ★★★★★
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SammyInCO
Phoenix, US
★★★★★ 5
Great cotton t-shirts for girls and boys
Special Size: T Shirt, Size: 4-5T, Color: T Shirt - Toddler - 6 Pack - White
These say they are for boys. Really, they are just plain t-shirts. Bought and tie dyed for an adorable little girl in my life. Very soft, and the cotton absorbed the dye well. Recommended for all girls and boys.
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Reviewed in the United States on June 3, 2026
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A.
Phoenix, US
★★★★★ 5
Good
Number of Items: 3, Color: Grey/Blue/Sea, Size: Medium
Really good quality for everyday wear. The fabric is soft and comfortable, and the shirts are true to size. They hold up well after washing and don’t shrink. Perfect basic tees for kids — easy to mix and match and great value for the price.
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Reviewed in the United States on May 5, 2026
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JP
Boise, US
★★★★★ 5
Size up, great quality
Number of Items: 3, Color: Grey/Blue/Sea, Size: X-Small
I ordered the XS and I have to say they run small. They fit my 2 year old not 6 year old. So size up. But honestly love the quality of Amazon essential shirts. I buy these for my kids pjs they are very soft
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Reviewed in the United States on December 24, 2025
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Ret. Teacher, Grandma & Hobby Farmer
Alexandria, US
★★★★★ 5
Comfy and Cool Shark Shirt
Number of Items: 1, Color: Ivory Sharks, Size: X-Small
We live near the beach, so I love finding ocean themed clothing for my little grandson. He loves this colorful swimming sharks crew neck t-shirt. He says it looks "cool." The cotton blend material is soft and and gentle against his skin. It's breathable and slightly stretchy. . The stitching is straight and consistent with no loose threads. We have fun talking about the different sharks, and the shirt looks great with his everyday jeans, joggers, or shorts. If you want some growing room, I suggest ordering a size up. The 5T is just a little long and roomy in the shoulders for my grandson who usually wears size 4. For laundering, I turn the shirt inside out and wash on cold to preserve the print. I haven't noticed any shrinkage or fading. I've been drying it on a warm setting (though cool is ideal), but I’m pretty careful not to leave it in the dryer too long to avoid wrinkles. He's been wearing it since his birthday in February, and so far, it's kept its shape, and seems to resist stains. If you have a little one that loves sharks, this check out this comfy ocean themed crew neck.
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Reviewed in the United States on May 2, 2026
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SAMBILLZ
Massapequa, US
★★★★★ 4
Size up
Number of Items: 3, Color: Grey/Blue/Sea, Size: X-Small
Good quality but definitely size up one size.
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Reviewed in the United States on May 4, 2026

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