Simple menus are always the way to go. Just make sure the guests don't overeat and enjoy their meal.
Menu 1
Cucumber & Green Chutney (mild) Sandwiches
Chips
Juice Boxes
Kaju Katli (kids love this - they call it 'Indian Diamonds')
Menu 2
Idli or Mini Idlis with Mild Green Chutney
Mini Samosas
Bugles or Doritos
Strawberry or Banana Milk Shake (don't make it too thick in consistency)
Tiny Gulab Jamun