Making method:
The powder slowly poured into the water， stir with a wooden stick (or for solidification)， powder will gradually expand， feel appropriate to stop water， if the water is too much into a transparent crystal block， then add some powder mixing time，
Save time:
1， the powder without the use of sealed case， can save a few years
2， after the water into a false snow， the room temperature can be preserved at room temperature 15-30 days or so， when the false snow slowly evaporate lost water， but then sprinkle a little water， so that it can be expanded.
3， such as false under the strong light， 3-7 days will be a loss of water
This powder 1kg water against the fake snow， shop 1 square meters (2-3cm thickness). Or 2-3 square meters (1cm thickness)