Harper Cameron begins the Rube Goldberg machine, named after American cartoonist Rube Goldberg, while Devin Curry waits at the end. The team, which consists of Cameron, Curry, Olvia Canavan, Colton Canavan, Maggie Canavan and Team Leader Carrie Curry worked out of the Barlow Public Library as they prepared for The Rube Goldberg Machine Contest. (Photo by Douglass Huxley)

Harper Cameron, of The C Team, resets the Rube Goldberg machine after a failed attempt Friday at the Barlow Public Library. The team, which consists of Cameron, Devin Curry, Olvia Canavan, Colton Canavan, Maggie Canavan and Team Leader Carrie Curry spent around two hours a day the last three Fridays planning, building and finally testing their machine for The Rube Goldberg Machine Contest. The team will download their video of the machine working with judging taking place on April 15. (Photo by Douglass Huxley)

Harper Cameron begins the Rube Goldberg machine, named after American cartoonist Rube Goldberg, while Devin Curry waits at the end. The team, which consists of Cameron, Curry, Olvia Canavan, Colton Canavan, Maggie Canavan and Team Leader Carrie Curry worked out of the Barlow Public Library as they prepared for The Rube Goldberg Machine Contest. (Photo by Douglass Huxley)