Your 19-Month-Old: Jumping, Pretending, and First Short Sentences
By the Growbaby team · Published Aug 4, 2026
Written against AAP, CDC and WHO guidance. How we write these guides
At a glance
- Jumping is attempted well before both feet actually leave the floor.
- Teddies get fed, phones get answered, and dolls get put to bed.
- Colours get noticed as same or different before they get named.
- Short sentences appear, such as want more milk or daddy go work.
- Pretend actions copy your routines closely, sometimes uncomfortably so.
If your toddler has started crouching, tensing and rising onto their toes without ever leaving the ground, they are working on jumping. Getting both feet up at the same time takes longer than the enthusiasm suggests.
Pretend play tends to appear around now as well, with cups offered to teddies and phones held to ears. Add early colour awareness and the first short sentences, and there is a great deal going on in a small person.
What is new this month
Jumping needs both legs to push at once and the trunk to stay stable in mid-air, which is a different problem from walking or running. Most toddlers spend weeks bouncing on the spot before a jump properly happens, and jumping down from a low step usually comes before jumping up from the floor.
Role-play is the first clear sign your toddler can hold something in mind that is not in front of them. Treating a block as a phone means the block's real properties are being overridden by an idea, which is a large step in thinking. What gets acted out comes straight from your day, so the script is one you wrote without meaning to.
Colour and sentences both begin with noticing. A toddler who can tell that two red bricks belong together does not yet need the word red, and the label often arrives months after the perception does. Short sentences follow a similar pattern, with the meaning coming first and the grammar filling in behind it.
Week by week, in the app
Our paediatric specialist wrote one thing to notice and one thing to try for every week of the first three years. Here is what this month covers. The app works out which week your child is in from their birth date and brings each one to you on the day.
- Week 79Your baby is Trying to Jump
- Week 80Your baby Engages in Simple Role-Play
- Week 81Your baby is Starting to Notice Colors
- Week 82Your baby is Starting to Form Short Sentences
This week, for your baby
Growbaby works out which week your baby is in from their birth date and brings that week's activity to you on the day, so you are not looking up where you are. Plus adaptive soothing for the nights and Growy for the questions in between.
This guide is for general informational purposes only. Growbaby is not a medical device and does not provide medical advice, diagnosis or treatment. Every baby develops at their own pace; for any question or concern about your baby's health or development, always consult your pediatrician or another qualified healthcare provider.