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Description
uppababy knox amazon Uppababy Knox Convertible Car Seat – ButtercupSMARTSecure System with red to green tightness indicator provides visual confirmation the car seat is installed correctly Koroyd technology integrated into the base creates an effective crumple zone protecting the child from impact forces Multi Directional Tether for rear and forward facing travel reduces seat rotation and stress on the childs head and neck upon impact Two piece fit inlay allows for flexibility and proper fit No rethread harness
- SMARTSecure® System with red-to-green tightness indicator provides visual confirmation the car seat is installed correctly
- Koroyd® technology integrated into the base creates an effective crumple zone protecting the child from impact forces
- Multi-Directional Tether for rear and forward-facing travel reduces seat rotation and stress on the child’s head and neck upon impact
- Two-piece fit inlay allows for flexibility and proper fit
- No-rethread harness adjusts with eight-position headrest
- Side Impact Pods for additional impact absorption
- Active Support Headrest that grows with your child
- EPP foam between the inner and outer shell ensures forces are absorbed into the seat
- Color coded belt paths with robust tensioning clips
- Multi-position, adjustable foot for leveling
- Storage pockets for harness buckles
- Bead level indicators on both sides of the seat
- Removable cup holder included
- Removable and washable seat fabric
Specifications
Suitable for approximately 1–6 years old
Rear-facing: from 14–45 lbs, and using the included fit inlay from 14–25 lbs
Forward-facing: from 25–65 lbs
Height: up to 49″
Dimensions: 23.8” L x 18.8” W x 27.4–32.5” H (height reflects headrest in lowest and highest positions)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Engaging and Different!
Format: Hardcover
Looking for a new kid's author to try now that Harry Potter has retired to a quiet life out of the spotlight? Try Stuart Gibbs. His first novel, Belly Up, is an engaging mix of mystery, humor, and adventure (as well as lots of trivia about the animal kingdom ranging from the fascinating to the . . . well, I'll let you read the book!) The story takes place at FunJungle, a huge new zoo/amusement park filled with many colorful characters. When the not-so-loveable mascot of the park, Henry the Hippo, turns up (literally) dead one day, only 12-year old Teddy, the son of two zoo employees, recognizes that this was no random event and begins his investigation only to find himself a target.
The book is perfect for the 5th-8th grade crowd (although very enjoyable for us grown-ups who haven't quite grown up yet and still love well-crafted young adult titles). I'll definitely be following his next book (not a sequel to this but an adventure based on the Three Musketeers when they were younger) which looks like will be available this fall.
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Reviewed in the United States on May 11, 2011
★★★★★ 5
Amazing but one problem
Format: Kindle
I LOVE this book but the one problem is that there are curse words. I'm 12 and I'm aware that Stuart Gibbs curses but I feel like in this particular book he cursed a lot more than he
usually does but other than that I absolutely LOVED reading this I will get the whole series for sure! If you already have read this whole series and want to read more I highly recommend spy school ( all of them there are I believe 13 of them) and space case.
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Reviewed in the United States on February 25, 2024
★★★★★ 5
Fun for Kids of All Ages
Format: Paperback
Belly Up is a hit with my 8-year-old son, and even my 14-year-old can’t get enough of it! The story is funny, adventurous, and full of clever twists that appeal to both younger and older readers.
It’s perfect for kids who love animals, mystery, and humor — a book that keeps everyone hooked from start to finish.
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Reviewed in the United States on November 30, 2025
★★★★★ 4
LOVE book...but a few swear words....
Format: Paperback
I LOVE this book! I love the plot! But, I would of reviewed this book 5 stars if: First, there are a few swear words throughout the book! As a kid, I find it disappointing to find a couple swear words in a kids book! The swear words, (a**, h***,d***) are used very loosely. I mean come on! Adding those swear words do NOT add to the plot and just make the book a 4 star review. Also, as a devoted Christian, I also find it disappointing that the characters say a couple of things ( God knows...., God....). If you are going to buy this book, I would make sure you're fine with a bit of language and some stuff......The plot is lovely, definitely a mystery book. The book definitely makes you think and get engaged. Finished book in 5 days and want the rest of the series. But if you buy this book, be careful of the swear words. I will read this book again....
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Reviewed in the United States on October 24, 2021
★★★★★ 5
Good
Format: Hardcover
Good
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Reviewed in the United States on May 23, 2026
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