Scrum half Carter Pritchard grabbed a first half try but Dragons Under-18s fell to a 64-7 defeat to Scarlets Under-18s in the Regional Age Grade Championship at Parc y Scarlets.
Pritchard grabbed an early score behind a powerful maul as the young Dragons kept in touch.
But in the second half the hosts pulled clear to wrap up a convincing victory.
Dragons Under-18s are next in action when they face Cardiff at Ystrad Mynach on Sunday, February 4.
Dragons Under-18s: Joe Salter, Rhys Cole, Logan Yendle, Ethan Paterson, Will Morgan, Aneurin Evans, Carter Pritchard; George Tuckley, Regan Jones, Max Woodward, Buster Bodkin, Sam Walters, Cerrig Smith, Ryan Jones (c), Evan Minto
Replacements: Ben Palmer, Lewis Jones, Harley Ryan, Luke Daniel, Dylan Roberts, Cai Wardman, Will Ford, Aneurin Paterson