trebuchet launch at upland high school

Upland high school student build and test their catapults, launching pumpkinsПодробнее

The Annual Trebuchet Pumpkin LaunchПодробнее

Upland High School Students Build Medieval TrebuchetПодробнее

Trebuchet Day at Upland High School KTLAПодробнее

Trebuchet Day at Upland High School CBS/KCALПодробнее

Shuffling at the upper north-eeast field at Upland High School on Trebuchet DayПодробнее

Trebuchet Day at Upland High School CNN/Time Warner CableПодробнее