Theater this week, for kids, free

10 a.m.

• Wiggle Worms

  Eaton Public Library

  For babies, toddlers and preschoolers, until 11 a.m.

  MusicFree

7 p.m.

• Open Mic/ Open Floor Night

  Community members can perform short, family-friendly acts or watch, with a silent auction fundraiser and refreshments.

  Front Range Classical Ballet Academy, 3501 S. Mason Unit #1, Fort Collins

  For families, until 9 p.m.

  MusicFree

10:30 a.m.

• Centennial State Ballet Presents "The Nutcracker"

  Dancers perform ballet excerpts with a simple reading of the story between selections, for all ages.

  Erie Community Library

  For babies, toddlers, preschoolers, kids and families, until 11 a.m.

  MusicFree

11 a.m.

• LINC Music & Movement

  Preschoolers and caregivers move together through an active storytime with stories and music that support motor skills and early literacy.

  LINC Library Innovation Center, Greeley

  For babies, toddlers and preschoolers, until 11:30 a.m.

  BooksFree

1 p.m.

• Music and Movement

  Caregivers and children make music together through songs, dancing, instrument play and group music-making.

  Eaton Public Library

  For babies, toddlers and preschoolers, until 2 p.m.

  MusicFree

6 p.m.

• Ukulele Strumming Circle

  Beginners and experienced players strum favorite tunes together and learn ukulele in a music circle.

  Centennial Park Library, Greeley

  For kids, teens and adults, until 7:30 p.m.

  MusicFree