CRUST:

1 pkg. graham crackers crushed
1/4 c. butter, melted

Save 1/2 cup of crackers for the top. Line 9 x 13 pan.

FIRST LAYER:

1 c. sugar
3 tbsp. cornstarch
1/3 c. water
4 c. rhubarb
1 pkg. strawberry Jello

Mix all ingredients. Boil until thick. Cool.

SECOND LAYER:

1 sm. box instant vanilla pudding
1 1/2 c. milk

Prepare as on box.

THIRD LAYER:

8 oz. Cool Whip
1 1/3 c. small colored marshmallows

Mix together. Spread on top, then sprinkle the 1/2 cup of crumbs on top. Refrigerate.