Sand Tray Therapy: Working Through the Unconscious

The client has been coming for six weeks. She talks fluently, intelligently, and at length about her childhood, her marriage, her anxiety. She understands, intellectually, where a lot of it comes from. But something isn’t moving. The insight is there. The emotional shift isn’t.

The therapist gestures to the tray of sand sitting on the table beside them. “Would you be willing to try something different?”

Thirty minutes later, the woman is staring at what she’s built in the sand: a small house surrounded by a ring of fierce animal figures, facing outward. A single child figure stands alone inside the ring, separated from everything else by a careful line in the sand. She didn’t plan it. She didn’t think about what she was doing. She just placed the figures where they wanted to go. And now she’s looking at something she’s never been able to say out loud.

This is sand tray therapy.

What Sand Tray Therapy Is

Sand tray therapy, also called sandplay therapy in some traditions, is an expressive modality that uses a shallow tray of sand and a collection of miniature figures to help clients externalize and work with their inner world. The figures typically number in the hundreds: people of all types, animals domestic and wild, buildings, vehicles, mythological creatures, natural elements, religious symbols, fantasy figures, and objects of everyday life. Clients are invited to use the sand and figures to create a scene, a world, or whatever emerges, without planning and without needing to explain themselves.

The approach has roots in Jungian analytical psychology. Swiss analyst Dora Kalff developed sandplay therapy in the 1950s and 1960s, influenced by Carl Jung’s ideas about the unconscious and by her work with child therapist Margaret Lowenfeld, who had developed something she called “the World Technique.” Kalff’s key contribution was the concept of the “free and protected space,” the idea that the therapist’s consistent, accepting presence creates the conditions in which the unconscious can safely express itself through the sand.

Today, sand tray is used both within Jungian frameworks and in more integrative therapeutic approaches. Many therapists who aren’t strictly Jungian use sand tray as a powerful expressive and processing tool within broader trauma, family, or relational therapy.

What Happens in a Session

The physical setup matters. The tray itself is a specific size: roughly 28 by 20 inches, deep enough to hold a few inches of sand, and painted blue inside so that if you sweep the sand aside, you see blue, suggesting water. The sand is real, sensory, and tactile. Some trays are filled with wet sand, which holds shape; some with dry sand, which flows and gives.

The collection of figures is displayed on open shelves, visible and accessible. When a client enters the room and approaches the tray, they’re invited simply to use the materials to create whatever comes. There’s no instruction to “make something meaningful.” The therapist sits to the side, present but quiet, witnessing without directing.

The client might spend several minutes just feeling the sand before doing anything with it. Or they might immediately begin placing figures with a kind of focused certainty, as if they know exactly where things go. Or they might wander the shelves, picking things up and putting them back, uncertain and searching. All of these are valid. All of them are informative.

When the scene is complete, the therapist often photographs it. Then, depending on the therapeutic approach, there’s varying degrees of verbal processing. In traditional Jungian sandplay, the therapist says very little, operating on the belief that the unconscious has done its work through the creation itself and that too much interpretation risks short-circuiting the process. In more integrative approaches, the therapist might ask open questions: “Tell me about this scene.” “What’s happening here?” “Who are these figures?” “What do you notice?”

Over time, if a client does multiple trays, themes emerge. The therapist can look across trays and see a story: what’s been buried, what’s emerging, how the inner landscape is changing.

Why the Sand and Figures Do What Words Can’t

Sand tray works on the same principle as other expressive therapies: some of what we carry doesn’t live in language. Early attachment wounds, preverbal trauma, dissociated experience, and collective or archetypal material are often stored in non-narrative, non-linear ways. Making something with your hands, in three-dimensional space, can access what talking around a feeling cannot.

The sand itself has a regulating effect for many people. It’s sensory and grounding. The act of touching it, sifting it, smoothing it often shifts the nervous system in ways that make depth work more accessible. It’s not unusual for people to feel calm and focused during a sand tray session in a way that’s different from straight conversation.

The miniature figures create distance. When you place a small figure of a child in the corner of the tray and surround it with predators, you’re expressing something real without having to say “I felt like this as a child.” The symbolic language carries the weight without requiring direct confrontation. And yet, paradoxically, the scene often hits harder than the words would. People frequently surprise themselves with what they build.

What Sand Tray Helps With

Sand tray therapy is used across a wide range of presentations:

Trauma and PTSD. For trauma survivors, particularly those whose trauma was preverbal or who dissociate when trying to talk directly about their experience, sand tray provides a way into the material that doesn’t require verbal narration. It has been integrated into trauma treatment frameworks including trauma-focused CBT and somatic approaches.

Grief and loss. Sand tray allows grief to take form. People create memorials, enact transitions, or externalize the ambivalence and complexity of loss in ways that feel both concrete and symbolic.

Children and adolescents. Sand tray is a natural fit for younger clients who may not be ready for verbal processing but can access their inner world through play and symbol. It’s often used alongside or as an alternative to traditional play therapy.

Adults who feel stuck in talk therapy. Clients who are highly intellectual, who can talk about their problems without feeling much, or who feel like insight hasn’t produced change often find sand tray breaks through in a different way.

Family therapy. Multiple family members can create a tray together, and the result often reveals relationship dynamics more clearly than conversation does. Who places their figures close to whom? Who stays on the periphery? Who takes up space?

Anxiety and depression. The sensory and symbolic work of sand tray can help externalize the internal weather of anxiety and depression, giving both client and therapist a shared image to work with.

Spiritual and existential concerns. Because the figure collection includes religious and archetypal symbols, sand tray can be a particularly useful medium for clients exploring questions of meaning, identity, or spirituality.

What the Research Shows

The research on sand tray is smaller than the evidence base for CBT or EMDR, but it’s growing. Studies have shown positive outcomes in areas including trauma treatment, anxiety reduction, and emotional processing in both children and adults. Case study and qualitative research have documented the kinds of transformations that are harder to capture in randomized controlled trials but are consistently reported by both clients and clinicians.

One challenge is that sand tray, like many expressive therapies, doesn’t lend itself easily to the double-blind protocols that produce the strongest evidence. The experience is inherently subjective and relational. But the clinical literature spanning more than 70 years, and the consistency of what clients report, speaks to something real happening in that tray.

Who It’s a Good Fit For

You don’t need to be creative or artistic to benefit from sand tray. You just need to be willing to sit down at the tray and pick up a figure. The approach tends to resonate with:

• People who are drawn to symbolic or metaphorical communication
• Those whose struggle feels difficult or impossible to put into words
• Clients who’ve done talk therapy and found it helpful but incomplete
• Children and teenagers who shut down in conversation but open up through activity
• Adults processing early childhood experiences or preverbal trauma
• Anyone curious about what their hands might know that their mind hasn’t articulated

If you’re working with a therapist in York, PA and you’re wondering whether sand tray might help you go deeper, it’s worth asking. Sometimes what needs to be said is best said by a small ceramic figure standing alone in a corner of a box of sand.

This article is for educational purposes only and is not a substitute for professional mental health treatment. If you are experiencing a mental health crisis, please reach out to a qualified mental health provider or call 988.