Akbel Jump Play Gel Set 4x1 KG + Borax (IN GREEN, PINK, BLUE. TRANSPARENT COLORS) PREPARATION: -Add a teaspoon of powdered borax to 1 tea glass of warm water and mix. -Then, the liquid play gel is placed in a container as large as desired. Pour the prepared borax water onto it little by little and mix it. In this way, the play gel begins to thicken, enough water with borax is added so that there is no watery part in the play gel, and by mixing to thicken, play dough is obtained.