The four-hour event will kick off with a sensory hour.
The Westmeath community will have an opportunity to meet local Gardaí this weekend.
Mullingar Garda Station is hosting an open day to celebrate the centenary of the service.
Tours of the dog unit, air unit and mounted unit will be on offer this Saturday from 11am until 3pm, with a sensory hour between 11 and 12.
Vintage cars and Garda memorabilia will also be on display.