Snow (grows by 100 tiems its size!) - As if We Need More ......... 99p in Home Bargains
SIL has just ocme with some of this - ok - not needed at the moment - but incase the white stuff isn't here for the 25th - this is great fun........ we had it last year - grows to 100 times the pack.
ps. the snowman is only for the picture - can't garantee you will be able to make one like that !