Children competed in the Harris Center’s Solar Sprint with hand-made solar-powered cars at the Adams Playground   Wednesday. Above: Lilian Hatchett of Jaffrey readies her car The Recyclable Tree. Hatchett, along with Darien Murphy of JGS, won Most Innovative Car.  Left: Ben Kriebel of Peterborough examines his car, The Juicer. Kriebel, along with Quinn Kelley, won first prize for  speed. Gavin Connolly, Shamus Robins and Jarrid O’Neill from Jaffrey-Rindge Middle School won Best Use of Technology with their car, Can-O-Bill.STAFF PHOTOS BY ASHLEY SAARI
Children competed in the Harris Center’s Solar Sprint with hand-made solar-powered cars at the Adams Playground Wednesday. Above: Lilian Hatchett of Jaffrey readies her car The Recyclable Tree. Hatchett, along with Darien Murphy of JGS, won Most Innovative Car. Left: Ben Kriebel of Peterborough examines his car, The Juicer. Kriebel, along with Quinn Kelley, won first prize for speed. Gavin Connolly, Shamus Robins and Jarrid O’Neill from Jaffrey-Rindge Middle School won Best Use of Technology with their car, Can-O-Bill.STAFF PHOTOS BY ASHLEY SAARI

Children competed with hand-made solar-powered racers during the Harris Center’s annual Solar Sprint at Adams Playground on Wednesday.