A mesmerizing Montessori calm-down bottle filled with slow-drifting metallic glitter, star sequins, and celestial fluid layers that help children regulate big emotions.

  • Clean a smooth, straight-sided 500ml clear plastic water bottle thoroughly; strip the paper label.

  • Fill the bottle halfway with warm tap water.

  • Add 4 to 6 ounces of clear craft glue or liquid vegetable glycerin (this thickens the water so glitter floats slowly instead of sinking immediately).

  • Add 2 drops of purple, magenta, or royal blue food coloring.

  • Pour in a generous mix of fine holographic silver glitter, dark purple chunky glitter, and metallic star confetti.

  • Top off the bottle with warm water, leaving 1/2 inch of air space at the rim.

  • Apply a bead of waterproof superglue or hot glue along the inner threads of the cap and screw it down firmly to permanently prevent accidental spills.

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