SnoWonder Instant Snow - Mix Makes 6 Gallons of Snow Makes approx 7.2 sq feet, one inch deep. Just add water and watch it erupt instantly. SnoWonder can be used year-round for snow play, holiday displays, special events, party favors, floral arrangements  the choices are endless. SnoWonder is a safe and non-toxic super absorbent polymer developed specifically to imitate most of the properties of snow. Can last for many days or weeks