The Best Cribs That Grow With Your Toddler
A convertible crib saves you money and hassle, but only if the conversion kit is included or easily available.
The best convertible cribs include the toddler rail right in the box, saving you from a future purchase and the headache of tracking down a compatible part years later. We prioritized models with included kits, sturdy construction, and Greenguard Gold certification to ensure a safe and seamless transition for your little one.
- Included Kit is Key A crib that includes the toddler conversion kit saves you money and the future hassle of finding a matching, in-stock part.
- "4-in-1" Can Be Misleading Many “4-in-1” or “3-in-1” cribs require you to buy conversion kits separately, sometimes costing over $100 for a simple rail.
- Safety First: Greenguard Gold Greenguard Gold certification is the standard for low chemical emissions, creating a healthier sleep environment. All our top picks meet this standard.
- Check Full-Size Bed Rails For cribs that convert to a full-size bed, the required metal frame is almost always sold separately. Factor this into your long-term budget.
Best Overall: Babyletto Lolly 3-in-1 Convertible Crib with Toddler Bed Conversion Kit in White and Natural, Greenguard Gold Certified
A stylish, certified-safe crib that grows with your child.
Grow with your baby using this stylish crib that includes a toddler bed conversion kit. Its playful, two-tone design and Greenguard Gold certification
- Toddler conversion kit is included in the box
- Modern two-tone design elevates nursery style
- Greenguard Gold certified for low chemical emissions
- Made with sustainable New Zealand pine wood
- Higher price point than other options
- Natural wood can show dents more easily
- Only converts up to a daybed/toddler bed
Runner Up: Babyletto Modo 3-in-1 Baby Crib Convertible to Toddler Bed & Daybed – Includes Toddler Conversion Kit – GREENGUARD Gold Certified – 100% Solid Wood Crib for Baby, 4 Adjustable Heights – Washed Natural
A modern, solid wood crib with an included conversion kit.
This crib’s solid wood construction and included toddler conversion kit offer a seamless transition. Its modern design is Greenguard Gold certified fo
- Includes the toddler conversion rail
- Made from 100% solid, sustainable wood
- Clean, minimalist design fits any modern nursery
- Four adjustable mattress heights for easy access
- Slightly lower headboard than the Lolly
- Washed natural finish might vary slightly between pieces
- Doesn’t convert to a full-size bed
Best Value: Carter’s by Davinci Colby 4-in-1 Convertible Crib w/Trundle Storage – GREENGUARD Certified, Convertible Baby Crib to Toddler Bed, Daybed, Full-Size Bed – 4 Adjustable Mattress Heights, Walnut
The best convertible crib with bonus trundle storage.
Get maximum utility with this 4-in-1 crib featuring a spacious trundle drawer for extra storage. Its toddler conversion kit is sold separately, allowi
- Large trundle drawer provides valuable under-crib storage
- Converts all the way to a full-size bed
- Affordable price for a 4-in-1 model
- Meets Greenguard Gold safety standards
- Toddler bed conversion kit is sold separately
- Full-size bed rails are also sold separately
- Assembly is more complex due to the trundle drawer
Best Budget: Delta Children Heartland 4-in-1 Convertible Crib – Greenguard Gold Certified, Bianca White
The most affordable Greenguard Gold certified option.
An affordable and safe choice that grows with your child from crib to toddler bed. This Greenguard Gold certified crib requires a separate kit for tod
- Extremely low price point
- Greenguard Gold certified for safety
- Lightweight and easy to assemble
- Classic, simple design fits most decor
- Toddler guardrail must be purchased separately
- Feels less substantial than more expensive wood cribs
- Limited to three mattress height positions
Best Classic Design: Oxford Baby North Bay 4-in-1 Convertible Crib, Snow White, GreenGuard Gold Certified
A classic shiplap design that converts for longevity.
Bring classic elegance to your nursery with this crib’s shiplap headboard. It converts to a toddler bed (kit sold separately), providing a sturdy and
- Elegant shiplap design offers a classic look
- Sturdy construction feels durable and safe
- Greenguard Gold certified
- Converts to toddler, daybed, and full-size bed
- Toddler conversion kit sold separately
- Full-size bed rails also sold separately
- Heavier and more difficult to move than other models
Side-by-side comparison
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Best Overall
Babyletto Lolly 3-in-1 Convertible Crib with Toddl
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Runner Up
Babyletto Modo 3-in-1 Baby Crib Convertible to Tod
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Best Value
Carter’s by Davinci Colby 4-in-1 Convertible Crib
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Best Budget
Delta Children Heartland 4-in-1 Convertible Crib –
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Best Classic Design
Oxford Baby North Bay 4-in-1 Convertible Crib, Sno
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| Toddler Kit Included? | Yes | Yes | No | No | No |
| Convertibility | 3-in-1 | 3-in-1 | 4-in-1 | 4-in-1 | 4-in-1 |
| Greenguard Gold Certified? | Yes | Yes | Yes | Yes | Yes |
| Storage | None | None | Trundle Drawer | None | None |
| Price | – | $339.15 | $279.00 | $120.00 | $187.99 |
| BUY NOW | BUY NOW | BUY NOW | BUY NOW | BUY NOW |
What to look for in Crib to Toddler Bed Conversion Kits
When should I convert my crib to a toddler bed?
The right time is when your child begins to attempt climbing out, reaches about 35 inches in height, or when the top rail is less than three-quarters of their height. This is a safety milestone to prevent falls, and most children are ready between 18 months and 3 years old.
Do I really need a special toddler conversion kit?
For most cribs, yes. The kit typically includes a guardrail that replaces one of the crib’s fixed sides, creating a safe opening. Using the crib without this rail (as a daybed) might be an option, but the guardrail provides an important safety barrier to prevent nighttime tumbles.
What does 'Greenguard Gold Certified' mean and why does it matter?
Greenguard Gold Certification means a product has met rigorous third-party standards for low emissions of volatile organic compounds (VOCs). For a crib, this is crucial because it ensures cleaner air in the nursery where your baby spends a significant amount of time sleeping and developing.
Is a '4-in-1' crib always a better value than a '3-in-1'?
Not necessarily. A ‘4-in-1’ crib converts to a full-size bed, but you’ll almost always need to buy a separate metal bed frame and potentially side rails. If you don’t plan to use the headboard for a full bed, a ‘3-in-1’ that includes the toddler rail can be a better, more cost-effective choice.
The Bottom Line
- Babyletto Lolly: The best all-in-one package for style, safety, and convenience, with no hidden costs for the toddler stage.
- Babyletto Modo: A close second with a minimalist design, solid wood build, and an included toddler rail for a slightly lower price.
- Carter’s by Davinci Colby: The top choice for value, offering a huge storage drawer that's more useful than any other feature at this price.
- Delta Children Heartland: The ultimate budget pick, providing Greenguard Gold safety for less than half the price of other models.
- Oxford Baby North Bay: The ideal crib for a classic, traditional nursery aesthetic with its elegant shiplap headboard.
For a seamless and stylish transition from crib to toddler bed, the Babyletto Lolly is our top pick because it includes the necessary conversion kit right in the box. If you’re looking for maximum utility and storage, the Carter’s by Davinci Colby offers incredible value, even with the separate purchase of its conversion kit.
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