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  • Child playing with Mad Mattr sensory dough, holding a creative shape, next to Mad Mattr packaging.

    Where Does the Magic Begin? The Story of Mad Mattr

    Discover the magical story of Mad Mattr — a Swedish-made compound that never dries out. Safe, soft, and endlessly creative, it’s more than play… it’s mindfulness in motion.

    Where Does the Magic Begin? The Story of Mad Mattr

    Discover the magical story of Mad Mattr — a Swedish-made compound that never dries out. Safe, soft, and endlessly creative, it’s more than play… it’s mindfulness in motion.

  • What Makes a Great Sensory Toy?

    What Makes a Great Sensory Toy?

    What makes a great sensory toy? Discover how Mad Mattr combines safety, creativity, and screen-free play in one magical compound. Designed for calm, learning, and endless fun — no mess,...

    What Makes a Great Sensory Toy?

    What makes a great sensory toy? Discover how Mad Mattr combines safety, creativity, and screen-free play in one magical compound. Designed for calm, learning, and endless fun — no mess,...

  • 3D printable sensory molds made with Mad Mattr, featuring colorful geometric shapes for creative, screen-free play.

    Free 3D Printable Molds for Mad Mattr!

    Mad Mattr playtime never ends! Download and print these "cookie cutter" STL files for some wild and mind-bending fun. Each mold tessellates, meaning it interlocks with another mold or itself...

    Free 3D Printable Molds for Mad Mattr!

    Mad Mattr playtime never ends! Download and print these "cookie cutter" STL files for some wild and mind-bending fun. Each mold tessellates, meaning it interlocks with another mold or itself...

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Mad Mattr is the award-winning, super-soft and dough-like material that easily molds and shapes into endless creations.

Mad Mattr never dries and cleanup is a breeze! Its unique, non-toxic formula is also wheat, gluten, and casein free.

Shop Mad Mattr!

  • Inspire creativity and imagination

    Mad Mattr allows children to mold, shape, and create virtually anything they can imagine. It provides an outlet for creative...

  • Sensory Play

    The soft and pliable texture of Mad Mattr provides a satisfying sensory experience. It can be stretched, squished, and...

  • Stress Relief

    Playing with Mad Mattr can be calming and stress-relieving. The tactile nature of the compound can help reduce anxiety and...
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It’s the moldable and mesmerizing sand that’s ideal for learning through play.

Available for sale to the US Educational Market only.

Shop Kinetic Sand

Relevant Play designs and sells toys to nurture the creative genius that naturally lies inside all children. Our award-winning playthings can be found online and at retailers around the world.

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