Preheat the oven to 350 F. Coat a 9" pie dish with butter.

Combine the wafers, butter, and sugar till the mixture is moist.

Separate the mixture into separate bowls for however many colors you are using.

Add a few drops of food coloring to each bowl and mix until you get the coloring desired.

Press the colored crumb mixtures into the bottom, and up the sides of the pie pan.

Bake crust for 10-12 minutes. Cool completely.

In a medium pot, whisk together sugar, cornstarch, and salt. Then add cream and whisk till combined.

Add egg yolks and whisk until well blended.

Heat over medium heat until the mixture simmers.

Remove from heat, whisk, then return to heat whisking constantly until the mixture becomes very thick and begins to bubble. Continue whisking for another 30-45 seconds, then remove from heat.

Whisk in butter and whipped cream vodka till very well combined.

Pour some of the filling into the crust, then some sprinkles, and continue alternating until all the filling and sprinkles are in the crust.

Cover the pie with plastic wrap and refrigerate for 3-4 hours.