Answer: widget

AnswerCrossword Clue
WIDGETLevel connector
WIDGETGIZMO
WIDGETAssembly-line product in classroom examples
WIDGETThingy
WIDGETThingamajig
WIDGETDoohickey
WIDGETSmall container for carrying messages.
WIDGETGizmo
WIDGETUnspecified product
widgeta gadget (a mechanical device)
widgetsomething considered typical or representative, as of a manufacturer's products
widgetsmall mechanical device, as a knob or switch, esp. one whose name is not known or cannot be recalled; gadget