Children in Raise The Biggest Family grow through milestones that change what they can do. The developer officially confirms offline aging, while the detailed timetable below comes from a Growth Chart visible in a current public walkthrough. Check the chart in your live home because times and abilities can change.
Currently observed Growth Chart
Baby
Observed time: Start
Chart note: Bottles and cuddles
Status: Community reported, checked 2026-11-09
Toys
Observed time: 5 minutes
Chart note: Toys become relevant
Status: Community reported
Turns 1
Observed time: 30 minutes
Chart note: Kitchen food
Status: Community reported
Toddler
Observed time: 1 hour
Chart note: Walks with you
Status: Community reported
Age 3
Observed time: 4 hours
Chart note: Stairs and no diapers
Status: Community reported
Age 5
Observed time: 12 hours
Chart note: Goes to school
Status: Community reported
Teen
Observed time: Day 2
Chart note: Washes alone
Status: Community reported
Adult
Observed time: Day 7
Chart note: Works and cooks
Status: Community reported
Age 20
Observed time: Day 11
Chart note: Helps the family
Status: Community reported
These labels summarize the visible chart rather than claiming the developer guarantees the same schedule forever. If your chart differs, use the current chart.
How to read a milestone
Treat a milestone as a change in available actions. When the displayed age crosses a threshold, select the child and look for a new prompt, destination, or need. Read the objective panel before moving furniture or buying an item.
The wording “kitchen food,” “walks with you,” “goes to school,” or “washes alone” may describe a new interaction rather than an automatic action. Test it once in the current session. Do not assume the child completes every need with no input.
Record the age label and result, not only elapsed time. A server load or display update may happen after joining.
Plan the home around transitions
During baby stages, keep bottle and basic care stations close. When kitchen food unlocks, confirm the kitchen route and remove any blocked path. When walking or stairs become relevant, check that furniture placement does not trap the child.
School, self-washing, work, and cooking can shift the household routine. Revisit which stations are still high frequency. A larger home does not help if the relevant destination is difficult to reach.
Do not discard or repurchase furniture until you know whether younger siblings still need it. A multi-age family can require baby and older-child routes at the same time.
Compare elapsed time safely
Note the child’s name, displayed age, UTC time, and whether you stayed online or left. Return later and record the new display. This separates online and offline progress without relying on memory.
Do not use one observation to declare an exact universal rate. Server loading, display rounding, token use, or an update can affect the result. Repeat the check before publishing a correction.
The Offline Aging guide provides a controlled comparison and lists unknowns such as caps and token stacking.
Use Growth Tokens carefully
Official pack descriptions include +5 Hour Growth Tokens, proving the product exists and naming the promised amount. They do not explain whether the token targets one child, stacks, can be refunded, or skips several milestones.
Before using one, select the intended child, read the confirmation, note the current age, and identify the next milestone. After use, verify the displayed result. Do not consume a token simply because it appears in inventory.
If the child is near a milestone through normal or offline aging, waiting may preserve the token for a longer interval.
Growth mistakes to avoid
Do not confuse in-game age labels with real-world time, do not assume all siblings share one timer, and do not leave the server open solely because you missed the official offline-aging statement. Do not promise that a child reaches a stage at an exact clock time when the current chart differs.
Most importantly, change the care route after a milestone. Growth is useful because responsibilities and abilities evolve, not merely because the displayed number rises.
Sources checked
- Official experience description for offline aging
- Current walkthrough Growth Chart, checked November 9, 2026