How to Make Worry Stones: A Classroom Guide

Worry stones are a simple, low-cost self-regulation tool: a small piece of shaped clay with a thumb-sized dimple pressed into it. When a child feels their body winding up, rubbing the stone gives that feeling somewhere to go — what we call emptying your balloon. Making them together in class is half the point. The conversation while you roll clay is often the first time a student names what they carry around.

These are the instructions Soul Shoppe facilitators use in classrooms. They take about twenty minutes plus baking time, and a single box of clay makes stones for a whole class.

What you need

• Polymer clay — Fimo Soft and Soft Effects are what we use. Any oven-bake polymer clay works.
• Aluminium foil or a foil baking pan — for baking, and so there is no clean-up.
• An oven. That is the whole list.

How to make a worry stone, step by step

1. Pull off a small amount of two or three colours of clay. Roughly a walnut’s worth in total. Letting students choose their own colours matters more than it sounds.
2. Push the colours together into a ball. Do not knead them smooth — you want the colours to stay distinct.
3. Roll and twist the ball in your hands to make a ‘snake’. The twisting is what creates the marbled pattern.
4. Fold the snake in on itself, or coil it flat like a snail shell. Either works, and they give different patterns.
5. Roll it back into a ball.
6. Press your thumb into the ball until you have an indentation deep enough to rub your thumb in comfortably. That dimple is the whole point of the object.

Then bake: 230°F for 30 minutes. Baking in a foil pan means there is nothing to wash afterwards. Let them cool completely before handing them back — they firm up as they cool.

Download the printable version with step-by-step photos (PDF) — useful if you are running this with a class and want the pictures on hand.

Using worry stones in a classroom

A worry stone on its own is a fidget. What makes it a self-regulation tool is pairing it with language the child already has. In Soul Shoppe classrooms that language is the balloon: everyone carries one, it fills up with feelings across the day, and it needs emptying before it pops. The stone becomes the thing a student reaches for when they notice their balloon filling.

Practically, that means:

• Make them before anyone needs one, not in the middle of a hard moment.
• Keep them somewhere a student can get to without asking permission — a Peace Corner is the usual home.
• Pair the stone with a breath. Rubbing plus breathing out is what settles a nervous system; rubbing alone is just texture. Our breathing techniques for kids covers the ones that work at this age.

Worry stones sit alongside the other tools in a regulation toolkit — see grounding techniques for kids and emotional regulation for kids.

Frequently asked questions

How are worry stones made?

A worry stone is made by combining two or three colours of polymer clay into a ball, rolling and twisting it into a snake to marble the colours, coiling or folding it, rolling it back into a ball, and pressing a thumb-sized dimple into one face. The finished stone is baked at 230°F for 30 minutes to harden it. Traditional worry stones are polished gemstone, but clay is what makes them practical for a classroom — every child can make their own in one sitting.

Do worry stones actually work?

They work as a self-regulation cue rather than as a treatment. The repetitive thumb motion gives a child something to do with rising energy, and — more importantly — it is a physical reminder to slow down and breathe. The effect comes from the pause and the breath, with the stone acting as the prompt. Children who made their own tend to use them more, which is why we build the making into the lesson.

Can you make worry stones with air-dry clay?

Yes, and it avoids the oven entirely, which suits classrooms without kitchen access. Air-dry clay takes 24–72 hours to cure and gives a chalkier, more fragile stone that can crack if it is dropped. Polymer clay is more durable and holds the marbled pattern better, so it is what we recommend when you have the option.

What kind of clay is best for worry stones?

Oven-bake polymer clay — Fimo Soft and Soft Effects are what Soul Shoppe facilitators carry. It stays workable in warm hands, marbles cleanly, and bakes to a smooth finish that feels good under a thumb. Avoid modelling clay that never hardens, and avoid anything requiring a kiln.

How do you make a worry stone from a rock?

Start with a smooth, flat river stone that already sits comfortably in a palm. Shaping a real dimple requires wet sanding with progressively finer grit and a good deal of patience, so most people simply choose a stone with a natural thumb-sized hollow and polish it. For a class of thirty, clay is far more practical — and a stone a child made themselves gets used more than one they were handed.

How long do worry stones take to make?

About 20 minutes of hands-on time plus 30 minutes of baking. A single class period is enough if you bake during another activity and hand them back the next day.

Where this fits

Worry stones are one small piece of a bigger picture. Soul Shoppe’s elementary SEL programs teach the emotional vocabulary that makes tools like this land, and the Peace Path and classroom resources give students a shared process for working conflict out once they have calmed down.