Free Friday Nights at the Children's Museum of Bozeman. Free Admission. Do you find yourself wondering what to do with your kids when the weekend rolls around? Wonder no longer – come down to CMB for Free Friday Night, every Friday from 5 to 8pm. The Museum stays open late on Fridays and it's FREE! Plus, CMB plays host to all sorts of exciting activities like Family Movie Night, Face painting Fiesta, Games Night or our kid-friendly Dance Party. There is a different theme every week and MacKenzie River Pizza is available for $1 per slice. Fun for all ages! For more information, visit our website www.cmbozeman.org or call (406) 522-9087.