Dear Lakshmi,
Usually refreshments are referred fto snacks or food items for light meal.
Refreshment can also be referred to activity that refreshes and recreates; activity that renews your health and spirits by enjoyment and relaxation.
For boosting the moral or engaging employees in recreational activity you can go for lot of options both indoor and outdoor activities.
In Outdoor activities you may like to consider the following:
Movie
Picnic
Luncheon
Short trip
Family get togethers
Dinners
Cricket Match
Badminton Match
Pinball/Bowling/Paint ball games
In Indoor depending upon the no. of employees you may consider fun games or you may contact event organizers who host no. of indoor activities for Corporates.
Best Wishes