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Union 3-In-1 Greenguard Gold Certified Convertible Crib

Last updated: December 31, 2020


Find a simple, modern-looking crib with the best value in this 3-in-1 convertible crib. It is a lightweight option that can easily be moved around a room, but durable enough to stay together very well. The pinewood material is a bit soft, but for baby it is perfect. Consumers love the ease of assembly of this crib.

Union 3-In-1 Greenguard Gold Certified Convertible Crib
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We looked at the top Cribs and dug through the reviews from some of the most popular review sites. Through this analysis, we've determined the best Crib you should buy.

Davinci Union 4-in-1 Convertible Crib in White, Greenguard Gold Certified

Davinci Union 4-in-1 Convertible Crib in White, Greenguard Gold Certified
BUY ON AMAZON
$139.00

Product Details

Key Takeaway: This convertible crib will give parents the durability they want with a lightweight product that can easily be moved.

In our analysis of 189 expert reviews, the Union 3-In-1 Greenguard Gold Certified Convertible Crib placed 4th when we looked at the top 12 products in the category. For the full ranking, see below.

From The Manufacturer

The Union 3-in-1 convertible crib is a durable and chic staple for the modern nursery. With fixed side rails, non-toxic lead and phthalate-safe finish, and sturdy construction from sustainable New Zealand pine, the Union crib is a safe place for baby to rest easily. The Union crib converts to a day bed and toddler bed (with conversion kit, sold separately), and takes a standard size crib mattress (sold separately). Meets ASTM international and US CPSC safety standards for the utmost safety.

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Our Expert Consultant

Kate Desmond 
Parenting Pro and Safe-Sleep Expert

Kate Desmond is a writer and infant safe-sleep expert. She has spent the last eight years working as the marketing director for Charlie’s Kids Foundation, a nonprofit that aims to educate families about SIDS and safe sleep. In that role, she travels around the country learning and educating caregivers and providers on the latest and greatest safe-sleep information to prevent infant death.

As mom to two elementary-aged daughters, she spends hours researching the best and safest products for her own kids. She is quick to get in the weeds with other mamas, and uses humor to cope with parenting woes from potty-training to teaching kids to read.

Expert Reviews


What reviewers liked

The crib itself is also very lightweight. I could move it around myself even at six months pregnant! That being said it is still sturdy feeling and doesn’t worry me in the least!
- Baby Box Lab
Basic and practical pine wood crib. Meets safety standards and has 4 level mattress adjustment. Convertible for toddler use. Affordably priced.
- BestReviews
It was very easy for my husband to assemble and for it to be a lightweight crib, it is very sturdy.
- Happy Baybees
Adjustable mattress support
- Baby's Little Place
This crib is made of New Zealand pine and it has 4 options for adjusting the level of the mattress as your child grows and learns to stand or climb.
- BoosterWP Reviews
It can convert into daybed and toddler bed (and hence 3-in-1 in the name!), and it's also unusual to find fun color options (like blue lagoon and yellow sunshine) at this price
- Good Housekeeping
It’s sturdy and strong and I have to say it again, it is impressively affordable offering proof that cheap convertible cribs can be great.
- Travel Crib Reviews
This convertible crib is a great one for your baby to transition into toddler-hood. It comes in 5 fun colors and uses lead free, non-toxic, phthalate-free paint so you won’t have to worry when baby starts teething.
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Diversified crib. You may change it into a daybed and a full-size bed.
- My Best Cribs
Finished with non-toxic paint – lead and phthalate safe
- Net Parents
Meets all safety standards. Hence, it removes your anxiety for the little one’s safety.
- Kidz Geek
Convertible design for convenience
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It’s an easy-to-assemble, lightweight crib that has 4 adjustable mattress positions that will grow with your baby.
- A Web To Know
The Union 3-in-1 Convertible Crib comes with essential assembly items through which you can conveniently assemble the kit and make it a crib by yourself.
- Top 10 Buddy
It features non-toxic materials, no lead, and phthalate. Rails are fixed, and New Zealand pine is used to construct it.
- Listderful
This Union 3-in-1 Convertible Crib has four adjustable mattress levels. Adjusting it from the top moving downwards, you can use the crib for your child’s few years as he or she grow
- Toodrie
It has four height adjustments modes to accommodate your baby’s growth and mattress height
- Paramatan
Parents like that this crib is very easy to assemble. The style, size, and affordable price are also perks. It’s ideal for people who live in apartments or small homes (or large homes with lots of stuff).
- Parenting Passage
The finish is no-toxic, lead safe and phthalate safe so you do not have to worry about any off-gassing.
- Heavy
Adjustable-height mattress. The mattress adjusts to four different positions, allowing it to easily accommodate parents of different heights and babies of different ages at different developmental stages.
- Review Lab
It has a four adjustable mattress level which allows you to adjust as your child grows.
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With its relatively inexpensive price and easily adjustable mattress levels, it is easy to see why so many parents choose this crib over others. This is an affordable baby crib that you would have no issues with if you put it in your nursery.
- My Babies Planet
Union 3 in1 mini crib has been tested at several testing facilities and has been ASTM and CPSC certified. Plus, it does not contain harmful chemicals, and its construction is from CARB II certified New Zealand pine wood.
- Temper and Tantrum
The height under the crib is approximately 5 to 6 inches, which is plenty of space to store items underneath. The side panels are nice and high, and the crib is very attractive.
- The Changing Tables
The union crib is easily convertible anytime and converts to a day bed and toddler bed that is furnished with a standard size mattress.
- Baby Ambition
Its no-frills design fits in easily with any décor, but its function is top notch, with 4 adjustable mattress levels. You can also convert this crib into a daybed or a toddler bed as needed (conversion kit sold separately).
- A Lovely Lark
Four adjustable mattress levels.
- All Kids Reviews
It has four adjustable bed levels and fixed side rails, providing safe and comfortable sleep for your little one.
- top9rated
Solid wood built and high quality
- Best Home Shopping
Strong, Sturdy, solid wood built and high-quality modern looks design.
- Best Care Life Reviews
Customers love the fact that this crib can fit into limited spaces. The design of this particular crib is slim and sleek, which is perfect for parents who like furniture that could fit anywhere.
- Parenting and Baby Needs
The Union 3-in-1 Convertible Crib will last well past the infant phases owing to its ability to convert from a crib to a toddler bed and then to a daybed
- Beginner Baby Care
It has 4 adjustable mattress settings so that you can use it at your convenience.
- Better Sleep Baby

What reviewers didn't like

One thing that I noticed is how easy it is to scratch the paint on this crib. I noticed it when I was first putting it together and accidentally scratched a bit of it.
- Baby Box Lab
A few reports of an odor upon arrival and of paint imperfections
- BestReviews
Paint Chips Easily
- Happy Baybees
Visible screws and holes
- Baby's Little Place
The conversion kits are sold separately from the crib.
- BoosterWP Reviews
Regular use may get the crib scratched.
- My Best Cribs
Conversion kit not included and has to be purchased separately
- Net Parents
You have to be careful of the sharp objects while assembling.
- Kidz Geek
Shorter than most crib rails
- A Web To Know
The painting comes off after several months.
- Toodrie
Parents don’t like that the wood chips (though some reviews do mention that “chipping wood” happens on most cribs).
- Parenting Passage
Does not include conversion kit for full sized bed
- Heavy
Profile too low for some users. Some reviewers say the low height of the crib is a liability, noting that they felt insecure about using it with an older child.
- Review Lab
It allows a standard fit crib mattress that is sold separately.
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The only negative we could find was the need to purchase and addition conversion kit when converting from daybed to toddler bed.
- My Babies Planet
The base frame has been reported to be very shaky
- Temper and Tantrum
Soft pine wood is easily scratched
- A Lovely Lark
Paint might chip off on the top rails.
- All Kids Reviews
It does not come with the mattress so you will have to purchase that separately.
- top9rated
Toddler bed and full size bed conversion kits not included​
- Best Home Shopping
The woods can be easily scratchable.
- Best Care Life Reviews
Another concern was the paint chipping off very soon after purchase. This can be pretty dangerous to children especially if they inhaled or ingested some of the paint.
- Parenting and Baby Needs
No mattress included
- Beginner Baby Care
Does not convert to a full-size bed.
- Better Sleep Baby

Crib Rankings

Delta Children Emery Deluxe 6-In-1 Convertible Crib

1. Delta Children Emery Deluxe 6-In-1 Convertible Crib
Babyletto Hudson 3-In-1 Toddler Bed Conversion Kit & Convertible Crib

2. Babyletto Hudson 3-In-1 Toddler Bed Conversion Kit & Convertible Crib
Dream On Me Aden 4-In-1 Convertible Mini Crib

3. Dream On Me Aden 4-In-1 Convertible Mini Crib
Union 3-In-1 Greenguard Gold Certified Convertible Crib

4. Union 3-In-1 Greenguard Gold Certified Convertible Crib
DaVinci Kalani 4-In-1 Greenguard Gold Certified Convertible Crib

5. DaVinci Kalani 4-In-1 Greenguard Gold Certified Convertible Crib
Storkcraft Portofino 4-In-1 Fixed Side Convertible Crib & Changer

6. Storkcraft Portofino 4-In-1 Fixed Side Convertible Crib & Changer
Delta Children Canton 4-In-1 Convertible Baby Crib

7. Delta Children Canton 4-In-1 Convertible Baby Crib
Graco 04530-21F Storkcraft Benton 4-In-1 Convertible Crib

8. Graco 04530-21F Storkcraft Benton 4-In-1 Convertible Crib
Delta Children Portable Mattress & Mini Baby Crib

9. Delta Children Portable Mattress & Mini Baby Crib
Graco 04530-21G Storkcraft Benton 4-In-1 Full Size Convertible Crib

10. Graco 04530-21G Storkcraft Benton 4-In-1 Full Size Convertible Crib
Dream On Me Carson Classic 3-In-1 Convertible Crib

11. Dream On Me Carson Classic 3-In-1 Convertible Crib
Dream On Me Synergy 5-In-1 Convertible Crib

12. Dream On Me Synergy 5-In-1 Convertible Crib
View our Crib buying guide for in-depth advice and recommendations.

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