Children don't process pain the way adults do. Long before they have the words to say "I feel scared" or "I'm angry at my parents," they act it out in play - that's the whole premise behind play therapy.
This guide covers the major approaches, core techniques, caregiver involvement, credentialing, and how to document play therapy in a way that holds up clinically.
Key Takeaways
Meta-analytic research supports play therapy as effective for children, with stronger outcomes when caregivers are actively involved.
Technique selection should follow the child's developmental stage and treatment target, not the therapist's preference. Most clinicians blend directive and nondirective work.
Play therapy has a formal credentialing pathway through the Association for Play Therapy (RPT and RPT-S). Using play-based techniques doesn't, on its own, make someone a play therapist.
What Is Play Therapy?
Play therapy is a structured, theoretically grounded approach that uses play as the primary medium for communication and change, rather than relying on talk alone. A trained therapist selects toys, materials, and interactions purposefully, based on what a specific child needs to express.
Why play works as a therapeutic medium
Young children's verbal and abstract reasoning skills are still developing, which limits how much traditional talk therapy can access. Play gives them a symbolic outlet - a toy house can stand in for their actual home, a puppet fight can carry real feelings about a sibling - letting children approach difficult material without direct exposure.
What age range is play therapy for?
Play therapy is most commonly used with children roughly ages 3 to 12, though many principles extend into adolescent work - for teens, structured activities often work better than traditional playroom techniques (see therapy activities for teens). Younger children typically need more nondirective play, while older children respond well to structured or game-based formats. Match the format to the child in front of you, not a fixed age cutoff.
What play therapy is not
Play therapy isn't simply letting a child play while you observe passively, and it isn't recreational play. It's also distinct from art therapy, which has its own separate credentialing pathway, even though the two fields borrow techniques from each other.
Directive vs. Nondirective Play Therapy
Most play therapy approaches fall somewhere on a spectrum between child-led and therapist-led work. Knowing where a technique sits on that spectrum helps you choose it intentionally, not by habit.
Child-centered (nondirective) play therapy
Child-centered play therapy (CCPT) is rooted in humanistic theory and follows the child's lead almost entirely. The therapist creates a permissive, accepting environment and uses reflective responses - tracking, reflecting feelings, and returning responsibility to the child - rather than directing the play toward a specific topic or outcome. This relies on the same nondirective, child-led spirit behind open-ended questions in counseling, just translated into the language of play instead of words.
Directive play therapy
Directive approaches involve the therapist actively structuring play toward a specific goal or skill drawn straight from the treatment plan (see examples of therapy goals for how this typically gets written up). This might mean assigning a game to build emotional vocabulary, a structured sandtray prompt to explore a memory, or a puppet scenario to rehearse a coping skill. Directive work tends to fit time-limited settings or a narrow treatment target.
How to choose an approach
Neither approach is inherently superior - the choice should be driven by the child's presentation, the treatment plan, and the setting.
Nondirective fits well with younger children, early in treatment, attachment concerns, or children who already feel over-controlled by adults.
Directive fits well with a specific skill target, structured trauma narrative work, or a time-limited setting like a school.
Blended approaches describe most real-world practice - moving fluidly between following the child's lead and introducing structure.
Neither approach yet may be right when safety, an unstable placement, or caregiver instability needs to be addressed first.
Core Play Therapy Techniques
Once you've settled on an overall approach, technique selection becomes the day-to-day work of session planning.
Tracking, reflecting, and returning responsibility
These three verbal skills form the backbone of nondirective play therapy. Tracking narrates what the child is doing ("You're putting the little one in the box"). Reflecting names the feeling behind the play ("That baby seems really worried in there"). Returning responsibility means resisting the urge to answer the child's questions or solve their play-based problems, instead handing the decision back ("You can decide what happens next"). These relationship skills carry over into early rapport-building - see our therapy icebreakers for mental health professionals.
Sandtray therapy
Sandtray work invites a child to build a scene using miniature figures in a tray of sand, giving them a spatial way to represent inner experience. It draws heavily from Jungian and expressive arts traditions and has its own specialized training path, separate from general play therapy credentialing.
Puppets and figurines
Puppets and small figures let children externalize conflict onto a character rather than themselves, lowering the emotional stakes of exploring difficult material. A child who can't say "I'm scared of my dad's yelling" out loud may act out that exact dynamic between two puppets - this externalization is often where the clinical material surfaces.
Art and expressive techniques
Drawing, painting, and other expressive media are frequently woven into play therapy sessions as one tool among many. It's important to stay within scope of practice here: art therapy is a distinct discipline with its own graduate training and credentialing body, and using art materials in a session isn't the same as practicing art therapy.
Bibliotherapy and storytelling
Reading a book together or co-creating a story gives children a narrative frame for processing experiences that mirror their own. In therapeutic storytelling, the therapist and child build a story together, and the therapist gently reshapes the ending to introduce new coping possibilities without lecturing.
Therapeutic games
Structured games - commercially available or therapist-created - can target skills like emotional vocabulary, turn-taking, frustration tolerance, or perspective-taking. Games work especially well with school-age children who feel more comfortable with a defined activity than open-ended play.
Play-based trauma techniques
Trauma-focused play work should sit inside an established trauma treatment model rather than being used as a standalone technique. Trauma-Focused CBT (TF-CBT) and Child-Parent Psychotherapy (CPP) both incorporate play-based elements but require specific training in the model itself. Attempting trauma narrative work without this training risks re-traumatizing the child.
Limit setting in the playroom
Limits protect the child, the therapist, and the therapeutic relationship, and they're a technique in their own right. Play therapist and researcher Garry Landreth's ACT model offers a simple three-step structure: Acknowledge the feeling, Communicate the limit, Target an alternative ("You're really mad at that toy. The toy isn't for throwing. You can throw the soft ball instead"). The same principles show up in our guide to how to set boundaries with therapy clients - consistent, predictable limits build the safety that makes deeper play work possible.
Setting Up a Play Therapy Space
The physical environment does real clinical work in play therapy-it's not just a backdrop.
What toys do you need?
A well-stocked playroom typically includes toys across a few categories: real-life toys (dollhouse, kitchen set, medical kit), aggressive-release toys (puppets, punching bag), and creative toys (art supplies, sand tray, building blocks). The goal is variety across categories, not a large quantity of any single type.
Adapting play therapy for telehealth
Telehealth play therapy requires creativity but is an increasingly established format. Digital sandtray platforms, screen-shared drawing tools, and a consistent caregiver-set-up toy kit at home can replicate core elements of in-person work. Coaching the caregiver on their role - present but not directing - matters even more here.
Adapting for school and community settings
School and community-based play therapists often work with smaller spaces, shorter sessions, and less privacy than a dedicated playroom. A portable toy kit, a consistent corner, and clear expectations with staff about interruptions help preserve the therapeutic frame even when the setup is far from ideal.
Involving Caregivers
Caregiver involvement isn't a nice add-on to play therapy-it's one of the strongest predictors of whether treatment actually works.
Why caregiver involvement improves outcomes
Research consistently links caregiver participation to stronger treatment effects, likely because the caregiver-child relationship is where the child spends most of their time outside the therapy room. When a caregiver understands and reinforces what's happening in sessions, gains are more likely to generalize beyond the playroom.
Filial therapy and CPRT
Filial therapy trains caregivers to conduct structured, nondirective play sessions with their own children under a therapist's supervision, turning the caregiver into the primary agent of change. Child-Parent Relationship Therapy (CPRT) is a manualized, time-limited filial therapy model built on this same idea, shifting direct clinical work from therapist-to-child toward therapist-to-caregiver-to-child.
Talking to caregivers about what happens in the playroom
Set expectations during your therapy intake questions about what you will and won't share from sessions, since play therapy confidentiality often works differently than adult talk therapy. Caregivers frequently want a play-by-play of what happened; it helps to explain upfront that you'll share themes and progress, not a transcript. Review the limits of confidentiality in therapy with caregivers too, since safety disclosures always override the general agreement.
When caregiver work has to come first
Sometimes a caregiver's own capacity, mental health, or stability has to be addressed before the child can meaningfully benefit from play therapy. A caregiver in active crisis or unable to attend consistently may need their own supportive work prioritized first, since asking a dysregulated caregiver to support a child's treatment can set both up to fail.
Caregiver session essentials:
Establish at intake what will and won't be shared from the playroom.
Reframe a mid-treatment symptom flare-up as expected, not a sign of failure.
Assign one concrete practice task per session, not a broad parenting philosophy.
Assess a caregiver's actual capacity before assigning home-based play sessions.
Screen for caregiver trauma history the child's play material may activate.
Revisit confidentiality whenever a disclosure changes the risk picture.
Does Play Therapy Work?
The evidence base for play therapy has grown substantially over the past two decades, though it comes with real limitations clinicians should understand.
Meta-analytic findings
A widely cited meta-analysis of 93 controlled studies found an overall treatment effect of 0.80 standard deviations - a large effect - with stronger outcomes when parents were directly involved. A later meta-analysis focused on child-centered play therapy specifically, reviewing 52 controlled studies, found a more moderate effect size of .47, again with caregiver-involved formats like filial therapy and CPRT outperforming therapist-only CCPT.
Limitations in the evidence base
Much of the research base relies on smaller sample sizes, varying outcome measures, and study designs that don't always meet the strictest standards for randomized controlled trials. Effect sizes also vary by setting, presenting concern, and caregiver involvement, so "promising, generally positive effects" is more accurate than treating play therapy as uniformly proven across every population.
Play therapy within evidence-based trauma models
For trauma-specific work, play-based techniques are best used within a manualized trauma model rather than as a general-purpose intervention. TF-CBT incorporates gradual exposure and psychoeducation that can include play elements for younger children, and Child-Parent Psychotherapy (CPP) is designed for children ages 0–5, working directly with the caregiver-child dyad to rebuild safety. Both require formal training to implement.
Training and Credentialing
Play therapy has a formal credentialing pathway through the Association for Play Therapy (APT), worth understanding before describing yourself as a play therapist.
Registered Play Therapist (RPT) requirements
To become a Registered Play Therapist, a clinician generally needs an active mental health license, specific coursework in play therapy theory and technique, and several hundred hours of supervised play therapy experience alongside supervision hours from a Registered Play Therapist-Supervisor. Because APT periodically updates its exact hour requirements, confirm current numbers directly on APT's website before citing specific figures to a supervisee or employer.
RPT-S and becoming a supervisor
The RPT-S credential requires holding the RPT credential in good standing for a set number of consecutive years, plus additional supervision coursework and further supervised experience. It allows a clinician to formally supervise others working toward their own RPT.
Can you use play therapy techniques without the credential?
Yes - many licensed clinicians incorporate play-based techniques without holding the RPT, and this is common and appropriate. What changes is how you represent yourself: using play in sessions differs from marketing yourself as a "play therapist," which implies the formal credential behind it.
Measuring Progress and Documenting Play Therapy
Play sessions are genuinely hard to document well, since so much of what happens is behavioral and symbolic rather than verbal.
How to measure progress
Track progress against the specific goals set out in the psychosocial assessment rather than trying to capture "everything that happened." Standardized caregiver-report measures, behavioral checklists, and caregiver or school feedback between sessions give you concrete markers of change. Our guide on how to evaluate client progress in counseling covers this in more depth.
How to write a play therapy progress note
A defensible play therapy note connects the session to the treatment plan, names the intervention used, and describes what the child actually did - not what you believe it meant. "Client repeatedly buried the small figure in the sand and dug it up" is documentation; "client is processing feelings of abandonment" is an interpretation for your clinical formulation, not an observed fact. Our therapy progress notes template walks through this distinction.
Documenting play themes without over-interpreting
It's tempting to write notes that read like a psychoanalytic interpretation of every play sequence, but overreach here creates real liability if a note is ever reviewed by another party, including a court. Describe the theme as a pattern you're monitoring across sessions, and save firmer interpretive language for your clinical formulation or supervision, not the chart note.
Play therapy note essentials:
The specific treatment plan goal the session addressed.
The named intervention or technique used.
Observable child behavior during the session.
Thematic content described, not asserted as fact.
Any caregiver contact or collateral information gathered.
Risk assessment and any mandated reporting considerations.
The plan for the next session.
How Berries AI Supports Play Therapy Documentation
Play sessions move fast, and so much of the clinically important material is behavioral rather than verbal - which makes writing a defensible note afterward time-consuming. Berries AI listens to the session and generates a structured, goal-linked note in your own documentation format, in person or over telehealth. It's HIPAA-compliant from the ground up, so you're not trading compliance for speed. Berries AI offers 20 free sessions if you want to try it.
FAQ
What's the difference between directive and nondirective play therapy? Nondirective play therapy follows the child's lead, with the therapist reflecting and tracking rather than steering content. Directive play therapy has the therapist actively structure play toward a specific goal or skill. Most clinicians use both, choosing based on the child's stage and the treatment target.
Do you need certification to do play therapy? No certification is legally required to use play-based techniques as a licensed clinician. The Registered Play Therapist (RPT) credential through APT signals specialized training and supervised experience, though, and using the title "play therapist" without it can misrepresent your qualifications.
Is play therapy evidence-based? Meta-analytic research generally supports play therapy, with the strongest evidence for approaches that actively involve caregivers. The evidence base has real limitations too, including variable study quality, so "well-supported" is more accurate than "universally proven."
Should parents be in the room? It depends on the approach, but research suggests caregiver involvement - in the room or through coaching models like filial therapy - tends to produce stronger outcomes than therapist-only sessions. Some nondirective models intentionally keep caregivers out to protect the child's private space.
What do you do when a child refuses to play? Refusal is clinical information worth tracking, not a problem to fix immediately. Sit with the resistance, offer low-pressure entry points, and revisit whether the current approach or pacing fits where the child actually is.
Disclaimer: This article is for educational purposes and professional development only. It does not constitute clinical supervision or replace professional judgment in therapeutic practice.
Closing takeaway: The technique matters less than the therapist's ability to stay in the child's world without rushing them out of it. Match the intervention to where the child actually is, bring caregivers in early, and document what you observed - not what you assume it meant