Pumpkin Trifle

1 box of spice cake mix
2 3 oz boxes pumpkin spice pudding
2 C cold milk
3 C whipping cream
gingersnaps -- crumbled
Large,pretty bowl, preferrably glass so you can see the layers.

Prepare spice cake according to instructions. Let cool completely. Cut up into cubes.
Combine pudding and cold milk, mix for 5 minutes. Refrigerate until set.
Whip the cream with 1 C powdered sugar until stiff.
Combine pudding with a third of the whipped cream.
To assemble:
Layer spiced cake cubes, pumpkin pudding mixture, whipping cream, repeat and top with crushed ginger snaps.