T
he Boulder Day Nursery has been looking after some of the city’s youngest residents for a century. The public is invited to join in the celebration of its hundredth birthday with a FREE block party on Saturday, September 23 from 4 p.m. to 7 p.m. Enjoy popular Jeff and Paige’s original nature and science-based music and performances, plus aerialists and acrobats. Games and prizes are on the docket for this street carnival. And food trucks will be on site too. Click here to RSVP (requested). Spruce St between 15th and 16th, Boulder.