Leading a demonstration, Department of Public Utilities Pipefitter Ricardo Lambert shows a young audience the consequences of prohibited material finding its way down into sewer pipes in Los Alamos. Spoiler: the results are foul! The demonstration was part of the street fair festivities held Saturday morning at the White Rock Branch Library to celebrate the 10th anniversary of the library. Photo by Kirsten Laskey/ladailypost.com

Alex Diaz of Wise Fool New Mexico gives out a high-five, literally, during the street fair Saturday at the White Rock Branch Library. Photo by Kirsten Laskey/ladailypost.com

Indi Austin of Wise Fool New Mexico juggles while riding a unicycle during the White Rock Branch Library street fair Saturday. Photo by Kirsten Laskey/ladailypost.com

Friends of Los Alamos County Library volunteers Annette Phillipp, left, Carolyn Macdonell and Candee Haskins take part in the street fair Saturday. Photo by Kirsten Laskey/ladailypost.com

Volunteers Krisi and Ted Schultz whip up some cotton candy during the street fair Saturday. Photo by Kirsten Laskey/ladailypost.com

Alex Diaz of Wise Fool New Mexico shows off her skills on stilts during the street fair. Photo by Kirsten Laskey/ladailypost.com