Boric acid is added to the glue and mixed well.

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Sand must be added to the resulting sticky mixture.
The mass is stirred for a long time, because it should become wet. The sand should be moderately sticky, slightly crumbly, but at the same time it should not leave traces on the surface.
The viscosity of the mixture is provided by the polymers that are part of the glue, and boric acid helps to maintain its shape.

How to make colored sand, what to add to the composition?
To add color to kinetic sand, add food coloring, gouache, or albania mobile database chalk. A brighter shade can be achieved by adding gouache or food coloring. If you add crushed chalk, the color will be beautiful, but not as saturated.

An important rule: food coloring and gouache are added to the water before preparing the mixture, and crushed sand is added to the dry components.

How to Make a Kinetic Sandbox
Sandboxes measuring 50x70x8 centimeters are traditionally used for sand therapy. When making a home sandbox for a child, you should start from these dimensions.

It is recommended to make the container blue, as it resembles water. Containers for storing things, basins, trays, boxes are perfect as a sandbox. The main thing is that there are no cracks in the structure and it is durable. It is not worth making a paper sandbox, as children often use water when playing with sand.