Nuts and Bolts Snack Mix

5 tablespoons melted butter
1/8 teaspoon garlic powder
1/8 teaspoon onion powder
1/4 teaspoon celery salt
3 cups Cheerios
4 cups Bugles
5 cups Rice Chex
5 cups pretzel sticks
1 cup peanuts

Mix together the butter, garlic powder, onion powder and celery salt. Mix the remaining ingredients in a large roaster pan. Pour butter mixture over the snack mix and stir well. Bake at 250 degrees F for 2 hours stirring every 30 minutes. Cool well. Store in a tightly covered container.