8 boron-free recipes

Homemade dough: playdough, salt dough and sands

Slime’s cousins: you can shape them, mold them or let them harden, and none of them uses a boron activator. Perfect for younger kids.

Rolled-out dough with cookie cutters
Photo: Dari lli on Unsplash.

Homemade doughs are made with kitchen staples: flour, salt, cornstarch, oil. Many are fine from age 3, with an adult. The one rule they all share: they’re not for eating, even though the ingredients come from the pantry.

Playdough

No-cook playdough

Flour, salt, hot water: a soft dough in 10 minutes, no saucepan needed.

  • Very easy
  • 10 minutes
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Playdough

Cooked playdough

Cooked for a few minutes by an adult: softer and longer-lasting.

  • Easy
  • 15 minutes
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Dries hard

Salt dough

2 cups flour, 1 salt, 1 water: shape it, dry it, paint it.

  • Very easy
  • 15 min + drying
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Sensory

Cloud dough

5 parts flour, 1 part oil: soft as a cloud, moldable like sand.

  • Very easy
  • 5 minutes
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Sand

Magic sand (kinetic-style)

Sand, glue, dish soap, cornstarch: it molds, then flows.

  • Easy
  • 10 minutes
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Sand

Moon sand

Sand, cornstarch, a little water or oil: it molds like at the beach.

  • Very easy
  • 5 minutes
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Sensory

Foam dough

Shaving cream and cornstarch: a dough as light as meringue.

  • Very easy
  • 5 minutes
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Playdough

Cornstarch dough

Conditioner and cornstarch: a smooth, scented dough with 2 ingredients.

  • Very easy
  • 5 minutes
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Slime or dough: which one should you make?

Slime stretches and oozes slowly; dough can be shaped and holds its form. For kids under 6, homemade dough is often simpler because it doesn’t need an activator. For a real boron-free slime, also check out cornstarch slime and marshmallow slime.

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