Your baby is 11 weeks old — and if you have not heard it yet, get ready for the sound that will instantly become your favorite: their first laugh.
What's Happening This Week
Physically, your eleven-week-old is looking less like a newborn every day. Their head control is now strong enough that they can hold their head steady in most positions, though sudden movements still cause wobbling. During tummy time, they push up confidently on their forearms and may even extend their arms fully, doing a proper baby push-up. Their core muscles are strengthening, and when supported in a sitting position, they can stay relatively upright with minimal assistance. Reaching is becoming more accurate — your baby may successfully swipe at and grab objects that interest them, though their aim is still approximate.
This is a big week for social and emotional development. Many babies produce their first real laugh around this time — a full, open-mouthed, belly laugh that is different from the coos and squeals of previous weeks. It often happens in response to something unexpected — a funny face, a tickle, a surprising sound. Once it starts, you will find yourself doing ridiculous things to hear it again. Your baby is also showing more emotional range: not just happy and unhappy, but curious, surprised, bored, and excited. They can "tell" you they are done with an activity by turning away or fussing.
Sensory development continues to mature. Your baby can now see clearly across a room and is developing better depth perception. They follow fast-moving objects with their eyes and are drawn to increasingly complex visual patterns. Their hearing is refined enough to distinguish between subtle sound differences, and they are paying close attention to the sounds of speech, watching mouths move and trying to connect sounds with lip movements.
Play Ideas for Week 11
- Make them laugh: Try gentle tickles on their belly, blow raspberries on their neck, make funny faces, or use a silly voice. Once you find what makes them laugh, they will want you to do it over and over.
- Reach and grab games: Hold a toy within reach and let your baby practice grabbing it. Try objects of different shapes and textures. When they get it, let them explore it however they want.
- Supported sitting play: Sit your baby in a bumbo-style seat or propped with pillows (always supervised) and place toys in front of them. This upright perspective changes how they interact with the world.
- Song with actions: Sing action songs and gently move your baby's arms or legs to match. "The Itsy Bitsy Spider" or "Pat-a-Cake" work wonderfully at this age.
- Outdoor exploration: Take your baby outside and let them experience different sensory inputs — the feeling of a breeze, the sound of birds, the sight of leaves moving. Nature provides incredible stimulation.
What You Need
Your baby is an active tummy time participant now — pushing up, reaching, possibly rolling. A spacious tummy time mat with engaging design elements gives them the space and motivation to keep building strength. Our mats are designed to grow with your baby through these rapid changes. See the collection at /collections/tummy-time-mats.
When to Talk to Your Pediatrician
If your baby does not bear weight on their legs when held in a standing position, cannot hold their head steady when supported upright, or shows no interest in grasping objects, mention it to your pediatrician at your next visit. These are simply checkpoints, not diagnoses — your pediatrician can help put development in context.
This post is for informational purposes only and is not a substitute for professional medical advice.
For a complete overview, read our ultimate baby play mat guide.
FAQ
Is it normal that my 11-week-old has not laughed yet?
Yes. While many babies laugh for the first time between 10 and 14 weeks, some take longer. Your baby may be expressing joy in other ways — squealing, cooing excitedly, or smiling broadly. Every baby's timeline is unique. If your baby is socially engaged and responsive in other ways, the laughter will come.
How long should tummy time be at 11 weeks?
Your baby can likely manage 10 to 20 minutes per session, with about 60 minutes total per day. At this stage, tummy time may feel less like a prescribed exercise and more like a natural part of playtime, especially if your baby enjoys being on their belly.
Previous: Week 10 → | Next: Week 12 → | Back to all weekly guides →
Shop tummy time mats →