# Crib conversion kits and the cribs they work with Which crib conversion kits still need a crib to be bought, and which crib does each kit work with? Babyletto M15979 \(Natural Walnut M15979NL; Honey M15979HY\): The kit unlocks additional Palma crib stages so the crib can be used through more configurations as the child grows\. The box includes additional parts, hardware and the custom 2\-inch pad needed to make the midi crib, midi toddler bed and midi daybed\. Stokke Sleepi V3 Crib/Bed Extension: It is compatible with Stokke Sleepi Mini, but not with a Mini up to serial number 103AG0347916 nor with a Sleepi Bed Mattress made between 2003 and August 2022\. The mattress and accessories are sold separately\. Babyletto M5789: The kit converts a full\-size crib into a full\-size bed or a mini crib into a twin bed\. The conversion kit comes with rails only\. ### 1. [Babyletto M15979 \(Natural Walnut M15979NL; Honey M15979HY\)](/products/ucp/megababiesusa-com/9408325255422) (sold by megababiesusa\.com) The kit unlocks additional Palma crib stages so the crib can be used through more configurations as the child grows\. - Base crib: The kit unlocks additional Palma crib stages so the crib can be used through more configurations as the child grows\. (listing) - What is included: The box includes additional parts, hardware and the custom 2\-inch pad needed to make the midi crib, midi toddler bed and midi daybed\. (guide) - Weight: Assembled weight is listed as 22\.25 lbs\. (guide) - Age range: The midi configurations are stated to suit use from newborn up to 2 years of age\. (guide) ### 2. [Stokke Sleepi V3 Crib/Bed Extension](/products/ucp/modernnursery-com/6996137902180) (sold by modernnursery\.com) It is compatible with Stokke Sleepi Mini, but not with a Mini up to serial number 103AG0347916 nor with a Sleepi Bed Mattress made between 2003 and August 2022\. - Base crib: It is compatible with Stokke Sleepi Mini, but not with a Mini up to serial number 103AG0347916 nor with a Sleepi Bed Mattress made between 2003 and August 2022\. (listing) - What is included: The mattress and accessories are sold separately\. (listing) - Weight: It weighs 20\.9 pounds\. (listing) - Age range: It is suitable for children up to 5 years of age\. (listing) ### 3. [Babyletto M5789](/products/ucp/modernnursery-com/15110182895982) (sold by modernnursery\.com) The kit converts a full\-size crib into a full\-size bed or a mini crib into a twin bed\. - Base crib: The kit converts a full\-size crib into a full\-size bed or a mini crib into a twin bed\. (listing) - What is included: The conversion kit comes with rails only\. (listing) - Weight: - - Age range: - Every value in the table is a fact RoboTrunk checked, linked to the page it came from\. A dash means no checked fact fills that cell\. Prices and stock change, so this page prints neither: each product name links to its RoboTrunk page, which shows them live\. Written 2026-10-21T00:44:22.632Z. This page is published by RoboTrunk, a store built for shopping agents. The store named on this page sells the product and ships it. RoboTrunk is not the seller and never holds the money. Buying works in one path. RoboTrunk's tools prepare a checkout at that store, then hand back a short-lived link. The person approves the total; once RoboTrunk has checked the store's total against it, the person is given the checkout link to tap in their own browser, or, if the person prefers and gives permission, their agent may open the link and finish there, and payment always happens on the store's own checkout page. RoboTrunk never takes the payment or sees a card. Where the rest of this site is: - /agent/story.md is what RoboTrunk is and how it works, in full. - /agent/tools.json is every tool, its arguments and its answers. - /agent/merchants is every store you can buy from through RoboTrunk. - /products/ucp is every store's indexed products. - /products/search is one search across every store, in plain words. - [What RoboTrunk is](/agent/story.md) - [Every tool, in your browser through WebMCP](/agent) - [The tools and how to call them](/agent/tools.json) - [The stores you can buy from](/agent/merchants) - [Every store's products](/products/ucp) - [Search every store at once](/products/search)