Most babies begin passing a toy from one hand to the other at around 6 to 7 months. A baby who is not transferring objects by about 8 to 9 months, uses only one hand, or keeps the hands fisted may have a fine-motor or tone difference worth checking. Hand skills vary a lot, so this is one clue among several rather than a diagnosis on its own.

Introduction: why this question matters for your family

Families often arrive at this question quietly. A small observation builds up over days or weeks. Something about how their baby is growing, moving, or responding does not quite match what the parenting books described. This article is written for parents of babies who are not yet passing toys between their hands and explains what the question really means, what to expect, and the next steps other families have found most useful.

What this really points to

Behind the question are patterns that a pediatric occupational therapist (OT) and, as needed, a developmental pediatrician can recognize quickly. The specific thing parents typically describe is not passing a toy hand to hand by about 8 to 9 months, or using only one hand. One observation rarely answers the question on its own; a clear picture comes together from what parents notice, the history, and a focused evaluation [1].

The most useful next step is usually an evaluation by a pediatric occupational therapist (OT) and, as needed, a developmental pediatrician, often with a fine-motor and hand-use assessment [3].

Example 1: At 9 months a baby still does not pass toys between hands and keeps the left fist closed, so an OT assesses hand use.

Why early action makes a real difference

Acting early matters because intervention windows in infancy and early childhood are real. The developing brain is most adaptive in the first two to three years of life [3].

Every U.S. state runs an Early Intervention (Part C) program offering free evaluations and therapy for eligible children under 3 [5].

Decision flow: from observation to support
Step 1Notice and note the sign
Step 2Bring it to your pediatrician
Step 3Get a referral or call EI
Step 4Start the right therapy
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What usually lies behind it

The most relevant contributing factor here is fine-motor or tone differences that make coordinated two-hand skills harder. This is the underlying mechanism behind what parents notice: not passing a toy hand to hand by about 8 to 9 months, or using only one hand [2].

The cause may have been present before birth, may have happened during labor or delivery, may have occurred during the NICU stay, or may have only become apparent as your child grew.

If you also notice this, here is what to consider next
Persistent fisting past 4 months
Consider: HINE evaluation – possible hemiplegic CP
One-sided grasp at 6 months
Consider: Hemiplegic CP evaluation – OT referral
Delayed midline play
Consider: Bilateral motor integration assessment
Tone changes plus hand symptoms
Consider: Pediatric neurology referral
Reluctant to bear weight on one hand
Consider: Constraint-induced movement therapy (CIMT) eval
Strong hand preference before 12 months
Consider: Hemiplegic CP evaluation – early OT and PT

How a real evaluation works

A typical evaluation here combines a careful history, a focused examination, and the tests that fit the concern. Where useful, the team adds a fine-motor and hand-use assessment [4].

Therapy referrals frequently happen at the same evaluation, before any formal diagnosis is finalized.

What each therapy actually does
PTPhysical Therapy
Helps with gross motor: rolling, sitting, crawling, standing, walking, gait, balance, tone management.
OTOccupational Therapy
Helps with fine motor, hand use, feeding, self-care skills, sensory processing.
SLPSpeech & Language Therapy
Helps with speech, language, communication, oral motor coordination, swallowing, AAC.
FTFeeding Therapy
Helps with bottle/breast feeding, swallowing safety, transition to solids, oral aversion.
DTDevelopmental Therapy
Helps with cognitive, social, adaptive skills – milestones across all developmental domains.
VTVision Therapy
Helps with visual tracking, focusing, and eye-hand coordination when vision is affected.
1 in 345U.S. children diagnosed with CP [1]
80%Of CP cases are spastic type [1]
By 18-24 moTypical age of formal CP diagnosis [3]
38U.S. states CP Family Help works in
“We watched our son try to crawl for months. The pediatrician kept saying give it time. The PT we finally called caught the asymmetry in ten minutes.”
– Mother of a 14-month-old, Ohio

Mistakes families often make

The most common mistakes we see: waiting too long on a quiet ‘let us wait and see,’ comparing one child to another, skipping NICU follow-up visits, and not requesting the full medical record.

Trusting your own observation is one of the strongest tools you have [3].

Example 2: An 8-month-old transfers toys now and then and reaches with either hand, which the pediatrician notes as on track.

Step-by-step: what parents can do next

If the patterns described above match what you are seeing, here is a practical sequence other parents of babies who are not yet passing toys between their hands have found useful.

1
Write down what you see: when not passing a toy hand to hand by about 8 to 9 months, or using only one hand shows up, how often, and what your baby was doing at the time. Short phone videos help more than written notes.
2
At your next visit, describe your concern in concrete terms and show one or two videos if you have them. Ask whether a referral to a pediatric occupational therapist (OT) and, as needed, a developmental pediatrician is appropriate now.
3
Call your state’s Early Intervention (Part C) line yourself [5]. You do not need a doctor referral to start.
4
Request the records that matter: NICU discharge summary, imaging reports, MRI or cranial ultrasound, and labor and delivery flow sheets.
5
If the evaluation suggests occupational therapy would help, begin it as soon as you can.
6
For major decisions, get a second opinion at a children’s hospital with subspecialty depth in your child’s area of concern. Bring all reports.
7
If a birth event may have played a role, schedule a free, no-pressure case review with CP Family Help.
Print-friendly checklist
Tear-off summary to bring to your next pediatric or therapy visit. Use the Print button below.
  1. Write down what you see: when not passing a toy hand to hand by about 8 to 9 months, or using only one hand shows up, how often, and what your baby was doing at the time. Short phone videos help more than written notes.
  2. At your next visit, describe your concern in concrete terms and show one or two videos if you have them. Ask whether a referral to a pediatric occupational therapist (OT) and, as needed, a developmental pediatrician is appropriate now.
  3. Call your state’s Early Intervention (Part C) line yourself [5]. You do not need a doctor referral to start.
  4. Request the records that matter: NICU discharge summary, imaging reports, MRI or cranial ultrasound, and labor and delivery flow sheets.
  5. If the evaluation suggests occupational therapy would help, begin it as soon as you can.
  6. For major decisions, get a second opinion at a children’s hospital with subspecialty depth in your child’s area of concern. Bring all reports.
  7. If a birth event may have played a role, schedule a free, no-pressure case review with CP Family Help.
Find your state’s Early Intervention (Part C) program
CP Family Help works with families in 38 U.S. states. Click the button below to see all states we cover.
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When to get help quickly

Some symptoms are emergencies. If your baby has a seizure, stops breathing or has breathing pauses, turns blue or very pale, becomes very hard to wake, or suddenly goes limp or unusually stiff, call 911 or go to the nearest emergency room right away. For non-emergency changes, such as not passing a toy hand to hand by about 8 to 9 months, or using only one hand clearly worsening or a new refusal to feed, call your pediatrician the same day.

What to bring to every follow-up visit

Bring three things: a short list of what has changed since last time, one or two phone videos, and a single specific question.

How CP Family Help supports families

CP Family Help works with families across 38 U.S. states whose children were diagnosed with cerebral palsy, HIE, or other birth injuries. Every initial consultation is free and confidential.

Map your next steps

Our team helps families translate confusing motor evaluations into clear next steps.

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Important exceptions and case-specific factors

Every child’s situation is different. Factors that can change the picture include your child’s gestational age, NICU history, imaging results, family history, your state’s Early Intervention eligibility rules, and statute of limitations.

Reviewed by CP Family HelpContent reviewed for accuracy by our editorial team. Last reviewed: July 15, 2026.
Why experience, verification, and case-specific guidance matter
  • Experience: CP Family Help works exclusively with cerebral palsy, HIE, and birth-injury cases across 38 U.S. states.
  • Expertise to verify: Information like this should be cross-checked with CDC, NIH/NINDS, AAP, and ACOG.
  • Professional guidance: Confirm medical decisions with your pediatrician and, where appropriate, a pediatric occupational therapist (OT) and, as needed, a developmental pediatrician.
  • Case-specific: Your child’s gestational age, NICU history, MRI findings, and state-specific rules all shape application.
Fact-Check Notes

High-confidence information

  • Cerebral palsy is a group of permanent movement disorders that appear in early childhood (CDC, NIH/NINDS).
  • Hypoxic ischemic encephalopathy (HIE) is brain injury from reduced oxygen and blood flow around birth (AAP, ACOG).
  • Early Intervention (Part C) is a federally mandated program in every U.S. state for eligible children under 3.
  • Early evaluation and early support are recognized, evidence-based steps for developmental concerns.

Case-specific information

  • Whether not passing a toy hand to hand by about 8 to 9 months, or using only one hand indicates cerebral palsy, HIE, or typical variation depends on the individual child.
  • Early Intervention eligibility rules vary slightly by state.
  • Statutes of limitations for birth-injury claims vary by state and child’s age.
  • Therapy access, Medicaid waivers, and insurance coverage vary by plan and state.

Related reading for parents

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