Chicco Stack 1-2-3
The Chicco Stack 1-2-3 weighs 16 lb, is rated to 40 lb, and has 3 modes, per Chicco. A three-mode chair that works as a high chair, a booster on a dining chair and a youth stool.
- 5-pointHarness
- 40 lbUp to
- 3Modes
- 16 lbWeighs
How the Stack 1-2-3 stacks up
Against the 91 full-size and convertible high chairs we track. The shaded band is where the middle half of them fall; the dot is this one.
Within the typical range for full-size and convertible high chairs (3 to 6).
Within the typical range for full-size and convertible high chairs (13 lb to 19.5 lb).
Within the typical range for full-size and convertible high chairs (40 lb to 50 lb).
What sets the Stack 1-2-3 apart
Measured against the 91 full-size and convertible high chairs we compare, from each maker's published specs.
- Modes: 3in the middle half of the 48 full-size and convertible high chairs that publish it (3 to 6)
- Chair weight: 16 lbin the middle half of the 51 full-size and convertible high chairs that publish it (13 lb to 19.5 lb)
Next to its closest matches
- Chicco Stack Hi-Lo 6-in-1Next to it, the Stack 1-2-3 is 3 fewer modes.
- Chicco Zest 4-in-1Next to it, the Stack 1-2-3 is 1 fewer mode; 6.5 lb heavier; 20 lb a lower limit.
- Chicco Zest LE 4-in-1Next to it, the Stack 1-2-3 is 1 fewer mode; 5.5 lb heavier; 20 lb a lower limit; has washable cushion (the Zest LE 4-in-1 doesn't).
Stages and age range
As Chicco lists them.
| Modes the maker lists |
|
|---|---|
| Limits by mode |
|
| Weight limit | 40 lb |
Footprint and fold
Sizes in the units the maker lists.
| Chair weight | 16 lb |
|---|
Seat, harness and tray
| Harness | 5-point |
|---|---|
| Reclines | Yes |
| Tray | snap-on, one-hand removal and adjustment, removable liner |
| Machine-washable cushion | Yes |
Listed features
- Three recline positions with one-hand adjustment
- Machine-washable seat pad
- Tray storage on rear legs
Worth checking
- No fold stated
- Booster needs a dining chair of at least the stated size
Where to buy the Stack 1-2-3
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.
- Use and supervision: follow the maker's warnings on the product, and see CPSC's Safe Nursery guide. Check the label and the maker's instructions, and ask your pediatrician about your child.
Full specs
| Chicco Stack 1-2-3 | |
|---|---|
| Type | High chair |
| Harness | 5-point |
| Weight limit | 40 lb |
| Limits by mode | booster: up to 50 lb; stool: up to 60 lb, at least 3 years old |
| Modes | 3: high chair, booster, youth stool |
| Reclines | Yes |
| Tray | snap-on, one-hand removal and adjustment, removable liner |
| Chair weight | 16 lb |
| Washable cushion | Yes, per the maker |
| Maker's use notes | Booster use only on dining chairs with a seat at least 15 in wide, 14 in deep and a backrest at least 12 in high |
Compare the Stack 1-2-3 with
How each closest rival differs from the Stack 1-2-3, from the makers' specs.
- ChiccoStack Hi-Lo 6-in-116 lbto 40 lb
- 3 more modes
- ChiccoZest 4-in-19.5 lbto 60 lb
- 1 more mode
- 6.5 lb lighter
- 20 lb a higher limit
- ChiccoZest LE 4-in-110.5 lbto 60 lb
- 1 more mode
- 5.5 lb lighter
- 20 lb a higher limit
- ChiccoPolly23.2 lbto 40 lb
- 7.2 lb heavier
Stack 1-2-3: questions answered
From Chicco's published specs, last checked 2026-11-11.
What are the Chicco Stack 1-2-3's age and weight limits?
Per the maker: up to 40 lb. By mode: booster: up to 50 lb; stool: up to 60 lb, at least 3 years old. Use and supervision: follow the maker's warnings on the product, and see CPSC's Safe Nursery guide. Check the label and the maker's instructions, and ask your pediatrician about your child.
What harness does the Chicco Stack 1-2-3 have?
5-point, per the maker. Use and supervision: follow the maker's warnings on the product, and see CPSC's Safe Nursery guide. Check the label and the maker's instructions, and ask your pediatrician about your child.
Still wondering? Write to us at hello@cribpicks.com and we'll look it up.
More full-size and convertible high chairs
- ChiccoHarmonia19.5 lbto 40 lb
- ChiccoWonder 4-in-123.5 lb4 modes
- StokkeTripp Trapp High Chair Complete² (chair, cushion and tray)
- StokkeTripp Trapp Complete² + Newborn Set
- StokkeNomi
- StokkeSteps
Where these specs come from
Last checked 2026-11-11. Spot something wrong? Tell us. Read our editorial and safety policy and corrections.