Mad Mattr: Mold. Stretch. Flow.

Mad Mattr is a unique sensory dough for ages 3+. Softer than clay and smoother than slime, it invites open-ended, mess-free play that’s soothing and creative. Whether you're sculpting, flattening, or simply letting it flow, it sticks to itself — never to your hands. Made in Sweden, it’s easy to handle and easy to love.

What are people saying?

Over 3,100 reviews on Amazon and counting! ⭐⭐⭐⭐⭐
Parents, teachers, and kids love the creativity, softness, and fun of Mad Mattr.

  • Kaci Ogan

    Mad Mattr is the elite of all dough/sand etc toys! This stuff lasts FOREVER and the possibilities are endless! We've been playing with mad matter for 5 years now and it's the best!

  • Jenilvandy

    If you’re a mom who is sick of throwing away crusty bits of playdough you find on the floor under your table, then this is a step up for you. And it never dries out.

  • MOM LIFE

    Great product, hours of play (minimum 30 minutes daily) for my 2.5 and almost 5 year old that are now home due to the school closures. It’s a lovely true purple, easily moldable and with a tug will stretch off and fall apart.

Read all reviews

What makes our formula so special?

  • Never dries out

  • Wheat, gluten and casein free

  • Non-toxic

  • Mess free

Your next favorite playtime starts here

FAQ

What is Mad Mattr made of?

Mad Mattr is made from a non-toxic, gluten-free, wheat-free, and casein-free formula.

Does it dry out over time?

Nope! That’s the magic — it never dries out, even when left out.

⁠Is it messy or hard to clean?

Not at all. It sticks to itself, not to your hands or surfaces.

⁠Can adults use Mad Mattr too?

Absolutely! Loved by parents, teachers, and therapists for its calming sensory experience.

As seen in

  • "Make this holiday the sweetest ever with the Mad Mattr activity set"

  • "has several advantages over Play-Doh for both kids and caretakers."

  • "It is highly reusable and is specially designed to not dry out."

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