contraption

noun

A machine or device that appears strange or unnecessarily complicated, and often badly made or unsafe.

SYNONYMS

apparatusappliancebitzercontrivancedevicedingusdoobrydoodaddoodahdoohickeydoojiggergadgetgizmogubbinsHeath Robinson deviceimplementinventionmachinemechanismRube Goldberg devicethingamabobthingamajigthingoutensilwhatsitwidget