The 40th annual Children's Festival is in Wausau on April 13th.
It's at East Gate Hall at Marathon Park starting at 9am and running through 3pm.
Since they are celebrating 40 years, they will be having cake at 12:30pm for anyone who wants some.
The event is free and open to the public. Parents have to accompany their child.
There will be lots of arts and crafts, games and activities for kids of all ages.