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How to Convert a Convertible Crib to a Toddler Bed

How to Convert a Convertible Crib to a Toddler Bed

By Strolleria | Published: 2026-10-26

Category: How-to Guides

Follow these steps to safely transform your convertible crib into a toddler bed, with tips for Maxi Cosi Brisa and Dadada Jolly models.

Quick Answer

To convert a convertible crib to a toddler bed, remove one side rail, replace it with the included guardrail or conversion kit, and lower the mattress to the lowest setting. The process takes about 20 minutes and requires no special tools for most models.

When to Make the Switch

Most convertible cribs are designed for toddler bed conversion when your child is around 18-24 months old or when they start trying to climb out of the crib. Check your crib manual for the manufacturer's recommended age and weight limits before starting.

Models Vary Slightly

Conversion steps are similar across brands, but the kit design and attachment method differ. For example, the Maxi Cosi Brisa 4-in-1 includes a dedicated toddler bed/daybed conversion kit, while the Dadada Jolly 3-in-1 uses a guardrail that attaches to the existing crib frame. Always refer to your specific manual for part numbers and instructions.

Step-by-Step Conversion Process

  1. Clear the Crib and Gather Tools: Remove all bedding, mattress, and toys. Locate the conversion kit (usually packed with the crib or shipped separately) and a screwdriver if needed. Most kits use an Allen wrench or Phillips head. Make sure the conversion kit is present before disassembling anything.
  2. Remove the Mattress Support Board: Take out the mattress support board/spring base and set it aside. This makes accessing the side rail hardware easier. Some models require the board to be removed completely; others allow it to stay. Check your manual.
  3. Detach One Side Rail: Unscrew the bolts or loosen the cam locks that secure the front or side rail (the rail you want to remove). Keep all hardware in a safe place. For the Dadada Jolly, look for plastic caps covering the screws on the rail ends. Common mistake: Removing the wrong side rail. Most conversions use the shorter end as the opening. Verify with the manual.
  4. Attach the Guardrail or Conversion Kit: Install the guardrail or conversion piece provided in the kit. For the Maxi Cosi Brisa, this may be a separate bar that clips into the existing rail slots. For the Dadada Jolly, a small guardrail attaches to the side of the crib using screws. Do not over-tighten the screws; snug is enough to avoid stripping the threads.
  5. Lower the Mattress to the Lowest Setting: Move the mattress support to the lowest position. This prevents your toddler from climbing out and ensures the guardrail sits at the correct height relative to the mattress. If the mattress is too high, the guardrail may not offer adequate fall protection.
  6. Install the Toddler Bed Conversion Rails (if applicable): On 4-in-1 models like the Maxi Cosi Brisa, a toddler bed rail may attach to the footboard in addition to the side. Follow the kit instructions to attach the second rail section. Check that all locking tabs click firmly into place. Loose rails can shift during sleep.
  7. Reassemble and Test Stability: Replace the mattress and bedding. Gently shake the bed to ensure all attachments are secure. Verify the guardrail height is at least 5 inches above the mattress surface. Test daily for the first week. Toddlers may find ways to loosen connections.

Product Facts

  • Maxi Cosi Brisa 4-in-1 Convertible Crib with Toddler Bed/Daybed Conversion Kit: The Maxi Cosi Brisa 4-in-1 Convertible Crib includes a toddler bed/daybed conversion kit that is part of the Kindred Collection design. The conversion kit is specifically designed to match the crib's style and color, ensuring a seamless look in the toddler room.
    Maxi Cosi Brisa 4-in-1 Convertible Crib with Toddler Bed/Daybed Conversion Kit
    Maxi Cosi Brisa 4-in-1 Convertible Crib with Toddler Bed/Daybed Conversion Kit
  • dadada Jolly 3-in-1 Convertible Crib: The Dadada Jolly 3-in-1 Convertible Crib is built from durable beechwood and transforms into a toddler or day bed with an adjustable guardrail. The sturdy beechwood construction supports the toddler bed configuration for years of use, and the adjustable guardrail accommodates different mattress heights.
    dadada Jolly 3-in-1 Convertible Crib
    dadada Jolly 3-in-1 Convertible Crib

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