I have been to Mangaf Sultan center recently. They have a huge collection of national cum liberation day items. Most of them are like caps, stickers, dongles etc...
Then there is the form spry items and water pumps. I don't like both form spray as well as the water pumps... I would assume to see lot of fun and activities during these days.
They could organize competition for nationals as well as expats. Arrange to have the Kuwait history displayed infront of the people. Kuwaitis should look at the Indian Republic day pared and try to have some thing similar, not an exact copy as the cultures differ.