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depth 0m · surfaceFirst Year

0–12 months.

The fastest year of brain growth a human ever has. Eighty-six billion neurons, learning what a face is, what a voice means, what comes after the cry.

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Nomi Radio
The shoals· depth 5m

The research swims past.

Reach in and pull out a question. The full archive is below.

ParentingMother with East Asian features cradling a sleeping newborn in her arm in a warm watercolor illustration — first week with newborn at home

Your Baby's First Week Home: The Numbers That Replace the Panic

Most of what feels catastrophic in the first week with a newborn has a scientific explanation — and it's considerably less alarming than what your brain invents overnight. The baby has lost weight. The baby fed eleven times before noon. The baby woke every hour. Every single one of those things has a number behind it, and the numbers are more reassuring than the internet.

15 min readRead →
Motor DevelopmentTwo-month-old baby doing tummy time on play mat, lifting chin toward father lying face-to-face on the floor — tummy time exercises for baby

Tummy Time Exercises for Baby: The Month-by-Month Progression (0–6 Months)

Every tummy time article tells you the same thing: thirty minutes a day. Here's what none of them mention — there are five completely different physical challenges stacked inside what we call "tummy time," and what the baby is building at week two looks nothing like what's happening at month five. This article explains the progression, the research behind each rung, and how to make every session count.

16 min readRead →
Motor DevelopmentNine-month-old baby sitting independently on a blanket reaching for a rolling wooden ball — predictive reaching as a hand eye coordination activity for babies

Hand Eye Coordination Activities for Babies: What's Really Happening

Every hand-eye coordination guide for babies starts from the same assumption: that the eyes lead and the hands follow. The research says otherwise. From the moment a baby first reaches for an object, the hands are teaching the eyes — not the reverse. Here's what that means for the activities that actually matter across the first twelve months.

12 min readRead →
Motor DevelopmentEleven-month-old baby cruising along a low ottoman, hands gripping the edge, stepping sideways toward a wooden toy — gross motor development milestone of cruising at 11 months

Gross Motor Skills Baby: What the Milestones Don't Tell You

The average American baby spends nearly six hours a day in a car seat, bouncer, or swing — and almost no time on the floor. It turns out that's exactly backwards from what shapes gross motor development. This article covers the real milestone windows (wide enough to stop most of the panic), why walkers delay development through two separate mechanisms, what crawling does to the brain that nothing else replicates, and what to do in each age window from birth through twelve months.

15 min readRead →
Motor DevelopmentTen-month-old baby in a high chair using pincer grasp to place a wooden ball into a container — fine motor skills activity for 9 to 12 month old baby

Baby Fine Motor Skills Activities by Age: What the Research Says

Everything you've read about training your baby's pincer grasp is built on shakier ground than anyone admits — the most famous fine motor "shortcut" in infant research failed its pre-registered replication. What actually develops hand skill in the first year is surprisingly simple: more floor time, postural support, and variety of self-directed exploration. Here's what the research shows, by age, from birth to 12 months.

15 min readRead →
SleepMother watching sleeping 8-month-old baby on cream blanket, watercolor illustration

When to Drop a Nap: What the Charts Don't Tell You

Every chart gives you age ranges. What none of them explain is why those ranges exist — and why two toddlers the same age can have completely different transitions. Here's what the neuroscience says, including what happens to night sleep and whether quiet time does anything.

9 min readRead →
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The reef· depth 12m

Our collection for this age.

Made for where your child is right now.

6m+$2.99

Farm Animals: First Words Flashcards

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Vehicles: First Words Flashcards

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Fruits & Vegetables: First Words Flashcards

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Dinosaurs: First Words Flashcards

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Ocean Animals: First Words Flashcards

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Nursery$4.99

Safari Baby Animals Wall Art

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Space Wall Art

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Butterflies Wall Art

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Farm Baby Animals Wall Art

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Baby Kittens Wall Art

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Floral Crown Animals Wall Art

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Baby Dinosaurs Wall Art

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Botanical Wall Art

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Ocean Baby Animals Wall Art

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Woodland Baby Animals Wall Art

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0–12 months$3.99

Moon & Stars Monthly Milestone Cards

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0–12 months$3.99

Cloud Nine Monthly Milestone Cards

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0–12 months$3.99

Rainbow Monthly Milestone Cards

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0–12 months$3.99

Botanical Monthly Milestone Cards

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0–12 months$3.99

Kittens Monthly Milestone Cards

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0–12 months$3.99

Dinosaurs Monthly Milestone Cards

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0–12 months$3.99

Butterflies Monthly Milestone Cards

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0–12 months$3.99

Ocean Vibes Monthly Milestone Cards

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0–12 months$3.99

Up, Up & Away Monthly Milestone Cards

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0–12 months$3.99

Wildflowers Monthly Milestone Cards

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0–12 months$3.99

Golden Hour Monthly Milestone Cards

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0–12 months$3.99

Teddy Bear Monthly Milestone Cards

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0-12 months$24.99

The Complete First Year Bundle

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0–12 monthsFREE

Sensory Play Flashcards: 0–12 Months Free Sample

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0-12 months$12.99

Sensory Play Cards

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3–6 monthsFREE

Color Contrast Flashcards: 3-6 months Free Sample

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3-6 months$8.99

Color Contrast Cards

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0-3 monthsFREE

High Contrast Flashcards: 0-3 months Free Sample

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0-3 months$8.99

High Contrast Cards

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Uncharted· depth 50m

Reefs in progress.

Coming soon

Online activities

Crosswords, color-alongs, gentle games.

Coming soon

Books we love

A reading list with the why behind each title.