Delta Children Sonny 4-in-1 Convertible Crib
The Delta Children Sonny 4-in-1 Convertible Crib converts through 4 stages and weighs 59.5 lb, per Delta Children. The lowest-priced crib in this batch, a 4-in-1 in three finishes.
- $149.99List price
- 4-in-1Stages
- 3Mattress heights
- 59.5 lbWeight
How the Sonny 4-in-1 Convertible Crib stacks up
Against the 216 convertible cribs we track. The shaded band is where the middle half of them fall; the dot is this one.
Within the typical range for convertible cribs (4-in-1 to 5-in-1).
Within the typical range for convertible cribs (45.4 lb to 70.8 lb).
Below the typical range for convertible cribs ($219.99 to $549).
What sets the Sonny 4-in-1 Convertible Crib apart
Measured against the 216 convertible cribs we compare, from each maker's published specs.
- Weight: 59.5 lbin the middle half of the 193 convertible cribs that publish it (45.4 lb to 70.8 lb)
Next to its closest matches
- DaVinci Union 4-in-1 Convertible CribNext to it, the Sonny 4-in-1 Convertible Crib is 29.5 lb heavier; $9 less.
- Delta Children Reese 4-in-1 Convertible CribNext to it, the Sonny 4-in-1 Convertible Crib is 8.5 lb lighter; $30 less.
- Dream On Me Synergy 5 in 1 Convertible CribNext to it, the Sonny 4-in-1 Convertible Crib is 1 fewer stage; 24.5 lb heavier.
Mattress that fits
Mattress in the box: no, sold separately.
It takes a full-size crib mattress. Cribpicks lists 42 single-sided mattresses and 82 two-stage mattresses.
Stage by stage
The maker calls it a 4-in-1; the kits are sold separately.
Setups the maker lists: crib, toddler bed, daybed.
Kits, per the maker: Daybed/sofa rail included; Toddler Guardrail W100825 sold separately.
Listed features
- Lowest price in the batch
- Daybed/sofa rail included
Worth checking
- Toddler guardrail sold separately
- Walmart exclusive
Where to buy the Sonny 4-in-1 Convertible Crib
Prices and availability change. We may earn a commission from some links.
- Check for recalls: Search the agency's recall list with the model number and date code from the label: CPSC recall search.
- Safe sleep: see the AAP's guide to safe sleep and NICHD Safe to Sleep. Check the label and the maker's instructions, and ask your pediatrician about your child.
Full specs
| Delta Children Sonny 4-in-1 Convertible Crib | |
|---|---|
| Type | Convertible crib |
| List price | $149.99 |
| Stages | 4-in-1 |
| Converts to | Toddler bed, Daybed |
| Conversion kit | Daybed/sofa rail included; Toddler Guardrail W100825 sold separately |
| Mattress included | No |
| Mattress heights | 3 |
| Size | 54 × 29.8 × 34.3 in |
| Weight | 59.5 lb |
| Folds | No |
| Material | New Zealand pine, poplar and TSCA compliant engineered wood |
| Finishes | 3 |
| Federal crib standard | Maker says it meets it |
| Assembly | Easy assembly per maker, instruction booklet linked, no assembly time stated |
Compare the Sonny 4-in-1 Convertible Crib with
How each closest rival differs from the Sonny 4-in-1 Convertible Crib, from the makers' specs.
- DaVinciUnion 4-in-1 Convertible Crib4-in-130 lb$159
- 29.5 lb lighter
- $9 more
- Delta ChildrenReese 4-in-1 Convertible Crib4-in-168 lb$179.99
- 8.5 lb heavier
- $30 more
- Dream On MeSynergy 5 in 1 Convertible Crib5-in-135 lb$149.99
- 1 more stage
- 24.5 lb lighter
- DaVinciBirdie 4-in-1 Convertible Crib4-in-148.4 lb$189
- 11.1 lb lighter
- $39 more
Sonny 4-in-1 Convertible Crib: questions answered
From Delta Children's published specs, last checked 2026-11-02.
What does the Delta Children Sonny 4-in-1 Convertible Crib convert to?
It's a 4-in-1: toddler bed, daybed. Conversion kit: Daybed/sofa rail included; Toddler Guardrail W100825 sold separately.
How big is the Delta Children Sonny 4-in-1 Convertible Crib?
About 54 × 29.75 × 34.25 in, 59.5 lb. The smallest convertible we track is the Ubabub Pod 2-in-1 Convertible Crib with Junior Bed Conversion Kit.
What's the difference between the Delta Children Sonny 4-in-1 Convertible Crib and the DaVinci Union 4-in-1 Convertible Crib?
By the maker specs, the Sonny 4-in-1 Convertible Crib lists for $9.01 less. See them side by side.
Still wondering? Write to us at hello@cribpicks.com and we'll look it up.
More convertible cribs
- Delta ChildrenLily 4-in-1 Convertible Crib4-in-137.5 lb$189
- Delta ChildrenLulu 5-in-1 Convertible Crib5-in-137.3 lb$159.99
- Delta ChildrenFrankie 4-in-1 Convertible Crib4-in-144.3 lb$189.99
- Dream On MeCarson Classic 3 in 1 Convertible Crib3-in-136 lb$139.99
- Dream On MeChelsea 5 in 1 Convertible Crib5-in-137 lb$159.99
- Dream On MeSynergy MOD 5 in 1 Convertible Crib5-in-134 lb$159.99
Where these specs come from
Last checked 2026-11-02. Spot something wrong? Tell us. Read our editorial and safety policy and corrections.